Equipment Development Department of the Central Military Commission of the People's Republic of China
Issued on:
2017-9-12
Implemented on:
2017-12-1
Status:
valid
Language:
English
File Format:
PDF
Word Count:
2500 words
Price(USD):
110.00
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Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
GJB 9100 consists of the following six parts under the general title Regulations for spacecrafts decommissioning:
a) Part 1: General rules;
b) Part 2: Deep space probe;
c) Part 3: Space station;
d) Part 4: Geostationary orbit spacecraft;
e) Part 5: Medium and high earth orbit spacecraft;
f) Part 6: Low earth orbit spacecraft.
This is Part 6 of GJB 9100.
This Part was proposed by the Equipment Department of Aerospace Systems Department of PLA Strategic Support Force.
Regulations for spacecrafts decommissioning
Part 6: Low earth orbit spacecraft
1 Scope
This part specifies the work principle, content and implementation procedure for decommissioning of low earth orbit spacecraft.
This part is applicable to the decommissioning of low earth orbit spacecraft.
2 References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part. For dated or version indicated reference, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references or references with version not indicated, the latest edition of the normative document referred to applies.
GJB 7893.21 TT&C management regulations for on-orbit satellites — Part 21: Deorbit management
GJB 9100.1 Regulations for spacecrafts decommissioning — Part 1: General rules
3 Decommissioning work principle
The work principles for spacecraft decommissioning generally consist of:
a) preventing the long-term interference of decommissioned spacecraft to the low earth orbit area;
b) reducing the possibility of disintegration of decommissioned spacecraft;
c) avoiding the collision between decommissioned spacecraft and other on-orbit spacecraft during the decommissioning.
4 Decommissioning application
The decommissioning shall be applied in accordance with the requirements of GJB 9100.1.
5 Decommissioning implementation
5.1 Decommissioning technical scheme development
5.1.1 Content of the decommissioning technical scheme
Decommissioning technical scheme generally includes:
a) status assessment of spacecraft before decommissioning;
b) spacecraft status setting;
c) technical requirements for decommissioning.
5.1.2 Status assessment of spacecraft before decommissioning
Before decommissioning, assessing the spacecraft regarding the status and performance so as to confirming the feasibility and testing existing risks of decommissioning, which the usually includes:
a) fuel assessment, to confirm whether satellites with orbit control meet the spacecraft orbit control requirements;
b) loading assessment, to confirm the on/off of load and other status;
c) other assessments, to confirm whether the subsystem and the impacts of space environment meet the requirements.
5.1.3 Spacecraft status setting
Spacecraft status settings generally include:
a) status setting for spacecraft payload;
b) status setting for spacecraft platform.
5.1.4 Technical requirements for decommissioning
Technical requirements for decommissioning generally include:
a) orbit control requirements for spacecraft with orbit control;
b) requirements for spacecraft passivation;
c) requirements for exceptional setting.
5.2 Decommissioning implementation scheme development
5.2.1 Content of the decommissioning implementation scheme
The decommissioning implementation scheme generally includes:
a) requirements for decommissioning implementation;
b) technical regulations for decommissioning implementation;
c) detailed rules for decommissioning implementation;
d) risk analysis and countermeasures for decommissioning implementation;
e) disposal plan for abnormal condition.
5.2.2 Requirements for decommissioning implementation
The requirements for decommissioning implementation generally include:
a) the timing of spacecraft decommissioning;
b) requirements for spacecraft tracking arc;
c) requirements for spacecraft status setting;
d) requirements for spacecraft orbit control;
e) requirements for spacecraft passivation;
f) responsibilities of interested parties.
5.2.3 Technical regulations for decommissioning implementation
According to GJB 7893.21 and decommissioning technical scheme, technical regulations for decommissioning implementation is developed, which generally include:
a) status setting regulations for spacecraft payload;
b) status setting regulations for spacecraft platform;
c) strategy making for spacecraft control under the orbit control conditions;
d) spacecraft passivation regulations.
5.2.4 Detailed rules in implementation
The details for decommissioning implementation generally include:
a) measurement and control implementation plan;
b) remote control operation requirements;
c) details of remote control operation;
d) details of spacecraft status monitoring.
5.2.5 Risk analysis and countermeasures in decommissioning implementation
The TT&C Center, together with the development department and spacecraft users, analyze the risks of spacecraft decommissioning and develop corresponding countermeasures, which generally includes:
a) the risk regarding whether the satellite platform is able to support a decommissioning task;
b) the risk of collision in orbit control;
c) analysis of falling.
5.2.6 Disposal plan for abnormal condition
For all kinds of abnormal condition that may occur during decommissioning, corresponding disposal plans shall be developed.
5.3 Decommissioning implementation procedure
5.3.1 Preparation for decommissioning implementation
The preparation work for decommissioning usually includes:
a) the TT&C center, spacecraft users and the development department review the remote control instructions, inserted data and control parameters required for decommissioning;
b) the TT&C center and spacecraft users integrate the TT&C resources needed for decommissioning;
c) other matters.
5.3.2 Implementation process of decommissioning
The implementation process of decommissioning usually consists of:
a) the spacecraft user, together with the development department and the TT&C center, set the status regarding spacecraft payload before decommissioning;
b) the TT&C Center, together with the development department, set the status regarding spacecraft platform before decommissioning;
c) the TT&C Center organizes and implements the orbit control of decommissioned spacecraft;
d) the TT&C Center and the development department implement the spacecraft passivation;
e) the corresponding disposal plan shall be applied in case of abnormal conditions.
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
GJB 9100 consists of the following six parts under the general title Regulations for spacecrafts decommissioning:
a) Part 1: General rules;
b) Part 2: Deep space probe;
c) Part 3: Space station;
d) Part 4: Geostationary orbit spacecraft;
e) Part 5: Medium and high earth orbit spacecraft;
f) Part 6: Low earth orbit spacecraft.
This is Part 6 of GJB 9100.
This Part was proposed by the Equipment Department of Aerospace Systems Department of PLA Strategic Support Force.
Regulations for spacecrafts decommissioning
Part 6: Low earth orbit spacecraft
1 Scope
This part specifies the work principle, content and implementation procedure for decommissioning of low earth orbit spacecraft.
This part is applicable to the decommissioning of low earth orbit spacecraft.
2 References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part. For dated or version indicated reference, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references or references with version not indicated, the latest edition of the normative document referred to applies.
GJB 7893.21 TT&C management regulations for on-orbit satellites — Part 21: Deorbit management
GJB 9100.1 Regulations for spacecrafts decommissioning — Part 1: General rules
3 Decommissioning work principle
The work principles for spacecraft decommissioning generally consist of:
a) preventing the long-term interference of decommissioned spacecraft to the low earth orbit area;
b) reducing the possibility of disintegration of decommissioned spacecraft;
c) avoiding the collision between decommissioned spacecraft and other on-orbit spacecraft during the decommissioning.
4 Decommissioning application
The decommissioning shall be applied in accordance with the requirements of GJB 9100.1.
5 Decommissioning implementation
5.1 Decommissioning technical scheme development
5.1.1 Content of the decommissioning technical scheme
Decommissioning technical scheme generally includes:
a) status assessment of spacecraft before decommissioning;
b) spacecraft status setting;
c) technical requirements for decommissioning.
5.1.2 Status assessment of spacecraft before decommissioning
Before decommissioning, assessing the spacecraft regarding the status and performance so as to confirming the feasibility and testing existing risks of decommissioning, which the usually includes:
a) fuel assessment, to confirm whether satellites with orbit control meet the spacecraft orbit control requirements;
b) loading assessment, to confirm the on/off of load and other status;
c) other assessments, to confirm whether the subsystem and the impacts of space environment meet the requirements.
5.1.3 Spacecraft status setting
Spacecraft status settings generally include:
a) status setting for spacecraft payload;
b) status setting for spacecraft platform.
5.1.4 Technical requirements for decommissioning
Technical requirements for decommissioning generally include:
a) orbit control requirements for spacecraft with orbit control;
b) requirements for spacecraft passivation;
c) requirements for exceptional setting.
5.2 Decommissioning implementation scheme development
5.2.1 Content of the decommissioning implementation scheme
The decommissioning implementation scheme generally includes:
a) requirements for decommissioning implementation;
b) technical regulations for decommissioning implementation;
c) detailed rules for decommissioning implementation;
d) risk analysis and countermeasures for decommissioning implementation;
e) disposal plan for abnormal condition.
5.2.2 Requirements for decommissioning implementation
The requirements for decommissioning implementation generally include:
a) the timing of spacecraft decommissioning;
b) requirements for spacecraft tracking arc;
c) requirements for spacecraft status setting;
d) requirements for spacecraft orbit control;
e) requirements for spacecraft passivation;
f) responsibilities of interested parties.
5.2.3 Technical regulations for decommissioning implementation
According to GJB 7893.21 and decommissioning technical scheme, technical regulations for decommissioning implementation is developed, which generally include:
a) status setting regulations for spacecraft payload;
b) status setting regulations for spacecraft platform;
c) strategy making for spacecraft control under the orbit control conditions;
d) spacecraft passivation regulations.
5.2.4 Detailed rules in implementation
The details for decommissioning implementation generally include:
a) measurement and control implementation plan;
b) remote control operation requirements;
c) details of remote control operation;
d) details of spacecraft status monitoring.
5.2.5 Risk analysis and countermeasures in decommissioning implementation
The TT&C Center, together with the development department and spacecraft users, analyze the risks of spacecraft decommissioning and develop corresponding countermeasures, which generally includes:
a) the risk regarding whether the satellite platform is able to support a decommissioning task;
b) the risk of collision in orbit control;
c) analysis of falling.
5.2.6 Disposal plan for abnormal condition
For all kinds of abnormal condition that may occur during decommissioning, corresponding disposal plans shall be developed.
5.3 Decommissioning implementation procedure
5.3.1 Preparation for decommissioning implementation
The preparation work for decommissioning usually includes:
a) the TT&C center, spacecraft users and the development department review the remote control instructions, inserted data and control parameters required for decommissioning;
b) the TT&C center and spacecraft users integrate the TT&C resources needed for decommissioning;
c) other matters.
5.3.2 Implementation process of decommissioning
The implementation process of decommissioning usually consists of:
a) the spacecraft user, together with the development department and the TT&C center, set the status regarding spacecraft payload before decommissioning;
b) the TT&C Center, together with the development department, set the status regarding spacecraft platform before decommissioning;
c) the TT&C Center organizes and implements the orbit control of decommissioned spacecraft;
d) the TT&C Center and the development department implement the spacecraft passivation;
e) the corresponding disposal plan shall be applied in case of abnormal conditions.
6 Decommissioning implementation effect evaluation
The evaluation items of decommissioning implementation effect generally include:
a) spacecraft users and development departments confirm the status regarding spacecraft payload;
b) the TT&C Center and the development department confirm the status regarding to the spacecraft platform;
c) the TT&C center carries out the conformity assessment for spacecraft orbit;
d) the development department and the TT&C center confirm the spacecraft passivation.
