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.
GJB
中華人民共和國(guó)國(guó)家軍用標(biāo)準(zhǔn)
FL 1640 GJB 9100.6-2017
航天器退役規(guī)程
第6部分：近地軌道航天器
Regulations for spacecrafts decommissioning-
Part 6：Low earth orbit spacecraft
2017-09-12發(fā)布 2017-12-01實(shí)施
中央軍委裝備發(fā)展部 頒布
前言
GJB 9100《航天器退役規(guī)程》分為6個(gè)部分：
a) 第1部分：總則；
b) 第2部分：深空探測(cè)器；
c) 第3部分：空間站；
d) 第4部分：地球靜止軌道航天器；
e) 第5部分：中高軌道航天器；
f) 第6部分：近地軌道航天器。
本部分是GJB 9100的第6部分。
木部分由戰(zhàn)略支援部隊(duì)航天系統(tǒng)部裝備部提出。
航天器退役規(guī)程
第6部分：近地軌道航天器
1 范圍
本部分規(guī)定了近地軌道航天器退役的工作準(zhǔn)則、內(nèi)容和實(shí)施流程。
本部分適用于近地軌道航天器的退役工作。
2 引用文件
下列文件中的有關(guān)條款通過(guò)引用而成為本部分的條款。凡注日期或版次的引用文件，其后的任何修改單(不包含勘誤的內(nèi)容)或修訂版本都不適用于本部分，但提倡使用本部分的各方探討使用其最新版本的可能性。凡不注日期或版次的引用文件，其最新版本適用于本部分。
GJB 7893.21 衛(wèi)星在軌測(cè)控管理規(guī)程 第21部分：離軌管理
GJB 9100.1 航天器退役規(guī)程 第1部分：總則
3 退役工作準(zhǔn)則
航天器退役工作準(zhǔn)則一般包括：
a) 防止退役航天器對(duì)近地軌道區(qū)域長(zhǎng)期干擾；
b) 降低退役航天器分裂解體的可能性；
c) 避免退役航天器在退役過(guò)程中與其他在軌航天器的碰撞。
4 退役申請(qǐng)
按照GJB 9100.1的要求中請(qǐng)退役。
5 退役實(shí)施
5.1 退役技術(shù)方案制定
5.1.1 退役技術(shù)方案內(nèi)容
退役技術(shù)方案內(nèi)容一般包括：
a) 航天器退役實(shí)施前狀態(tài)評(píng)估；
b) 航天器狀態(tài)設(shè)置；
c) 退役技術(shù)要求。
5.1.2 航天器退役實(shí)施前狀態(tài)評(píng)估
航天器退役實(shí)施前對(duì)航天器狀態(tài)和性能進(jìn)行評(píng)估，確認(rèn)退役實(shí)施的可行性和存在的風(fēng)險(xiǎn)，內(nèi)容一般包括：
a) 燃料評(píng)估，確認(rèn)具有軌控能力的衛(wèi)星符合航天器軌控要求；
b) 載荷評(píng)估，確認(rèn)載荷開(kāi)關(guān)機(jī)及其他狀態(tài)；
c) 其他評(píng)估，確認(rèn)各分系統(tǒng)及空間環(huán)境影響符合要求。
5.1.3 航天器狀態(tài)設(shè)置
航天器狀態(tài)設(shè)置一般包括：
a) 航天器有效載荷狀態(tài)設(shè)置；
b) 航天器平臺(tái)狀態(tài)設(shè)置。
5.1.4 退役技術(shù)要求
退役技術(shù)要求一般包括：
a) 具有軌控能力的航天器軌控要求；
b) 航天器鈍化要求；
c) 異常處置要求。
5.2 退役實(shí)施方案制定
5.2.1 退役實(shí)施方案內(nèi)容
退役實(shí)施方案內(nèi)容一般包括：
a) 退役實(shí)施要求；
b) 退役實(shí)施技術(shù)規(guī)定；
c) 退役實(shí)施細(xì)則；
d) 退役實(shí)施風(fēng)險(xiǎn)分析及對(duì)策；
e) 退役異常處置預(yù)案。
5.2.2 退役實(shí)施要求
退役實(shí)施要求一般包括：
a) 航滅器退役實(shí)施時(shí)機(jī)；
b) 航天器跟蹤弧段要求；
c) 航天器狀態(tài)設(shè)置要求；
d) 航天器軌道控制要求；
e) 航天器鈍化要求；
f) 相關(guān)方職責(zé)。
5.2.3 退役實(shí)施技術(shù)規(guī)定
根據(jù)GJB 7893.21以及退役技術(shù)方案制定退役實(shí)施技術(shù)規(guī)定，內(nèi)容一般包括：
a) 航天器有效載荷狀態(tài)設(shè)置規(guī)定；
b) 航天器平臺(tái)狀態(tài)設(shè)置規(guī)定；
c) 具備軌道控制條件的航天器控制策略制定；
d) 航天器鈍化規(guī)定。
5.2.4 退役實(shí)施細(xì)則
退役實(shí)施細(xì)則內(nèi)容一般包括：
a) 測(cè)控實(shí)施計(jì)劃；
b) 遙控操作要求；
c) 遙控操作內(nèi)容；
d) 航天器狀態(tài)監(jiān)視內(nèi)容。
5.2.5 退役實(shí)施風(fēng)險(xiǎn)分析及對(duì)策
測(cè)控中心會(huì)同研制部門(mén)、航天器用戶(hù)分析航天器退役實(shí)施風(fēng)險(xiǎn)并制定相應(yīng)對(duì)策，一般包括：
a) 衛(wèi)星平臺(tái)支持退役任務(wù)的能力風(fēng)險(xiǎn)；
b) 軌道控制碰撞風(fēng)險(xiǎn)；
c) 隕落分析。
5.2.6 退役異常處置預(yù)案
對(duì)退役過(guò)釋中可能出現(xiàn)的各類(lèi)異常，制定相應(yīng)的異常處置預(yù)案。
5.3 退役實(shí)施流程
5.3.1 退役實(shí)施準(zhǔn)備
退役實(shí)施準(zhǔn)備工作一般包括：
a) 測(cè)控中心、航天器用戶(hù)會(huì)同研制部門(mén)對(duì)退役所需遙控指令、注入數(shù)據(jù)、控制參數(shù)等進(jìn)行審核：
b) 測(cè)控中心、航天器用戶(hù)安排退役所需的測(cè)控資源；
c) 其他工作。
5.3.2 退役實(shí)施過(guò)程
退役實(shí)施過(guò)程一般為：
a) 航天器用戶(hù)會(huì)同研制部門(mén)、測(cè)控中心實(shí)施退役前航天器有效載荷狀態(tài)設(shè)置；
b) 測(cè)控中心會(huì)同研制部門(mén)實(shí)施退役前航天器平臺(tái)狀態(tài)設(shè)置；
c) 測(cè)控中心組織實(shí)施退役航天器軌道控制；
d) 測(cè)控中心會(huì)同研制部門(mén)實(shí)施航天器鈍化；
e) 出現(xiàn)異常時(shí)，按照異常處置預(yù)案進(jìn)行處置。
6 退役實(shí)施效果評(píng)估
退役實(shí)施效果評(píng)估內(nèi)容一般包括：
a) 航天器用戶(hù)和研制部門(mén)確認(rèn)航天器有效載荷狀態(tài)；
b) 測(cè)控中心和研制部門(mén)確認(rèn)航天器平臺(tái)狀態(tài)；
c) 測(cè)控中心進(jìn)行航天器軌道符合性評(píng)估；
d) 研制部門(mén)和測(cè)控中心確認(rèn)航天器鈍化效果。
7 管理終止
按照GJB 9100.1中航天器管理終止的內(nèi)容，終止航天器管理。
