GB/T 41542-2022General specification of observation elements for Earth orbit environment (English PDF)
地球卫星轨道空间环境探测要素通用规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 11, 2022
Implementation date
February 1, 2023
Scope
GB/T 41542-2022 is the English-translated version of 地球卫星轨道空间环境探测要素通用规范.
GB/T 41542-2022 is the general specification for the elements measured when the space environment is detected in situ from Earth satellite orbit. It fixes the detection objects, the technical requirements for each group of detection elements and the on-orbit detection methods.
The element groups are the neutral atmosphere, ionospheric plasma, magnetospheric plasma, the high-energy charged particles of the radiation belts and of solar cosmic rays, solar X-rays and the near-Earth space electromagnetic field.
It applies to in-situ space environment detection payloads on Earth satellite orbits from 200 km to 36000 km altitude, and other spacecraft may use it for reference.
It defines low earth orbit, sun-synchronous orbit, middle earth orbit, geosynchronous orbit, inclined geosynchronous orbit, geostationary orbit and neutral atmosphere.
It has no normative references, was issued on 11 July 2022 and has applied since 1 February 2023.
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Document preview — GB/T 41542-2022
National Standard of the People's Republic of China
- ICS
- 49.090
- Classification
- V 75
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Detection object
- 5 Technical requirements for detection elements
- 5.1 Neutral atmosphere sounding elements
- 5.2 Elements of ionospheric plasma detection
- 5.3 Magnetospheric Plasma Detection Element
- 5.4 Radiation belts and solar cosmic ray high-energy charged particle detection elements
- 5.5 Elements of Solar X-ray Detection
- 5.6 Near-Earth Space Electromagnetic Field Detection Elements
- 6 Detection method
- Reference
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted.
This document is proposed by the Chinese Academy of Sciences.
This document is under the jurisdiction of the National Technical Committee for Standardization of Space Science and Its Applications (SAC/TC312).
1 Scope
This document specifies the technical requirements for the detection objects and detection elements for in-situ space environment detection in the earth satellite orbit, on-orbit detection method for detection elements.
This document is applicable to the in-situ space environment detection payload of the earth satellite orbit with an orbital altitude of 200km~36000km from the earth.
The configuration, design and application of other spacecraft are implemented by reference.
2 Normative references
There are no normative references in this document.
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Low earth orbit; LEO
A satellite orbit with an orbital altitude below 2000km from the Earth's surface.
3.2 Sun-synchronous orbit; SSO
The angular velocity of satellite orbital plane precession is the same orbital velocity as the plane of the sun moves at the equator.
3.3 Middle earth orbit; MEO
The orbital altitude is between 2000km and 20000km from the earth's surface.
3.4 Geosynchronous orbit; GEO
The orbital period is equal to the rotation period of the earth, and the orbital height is about 36000km from the earth's surface to the prograde satellite orbit.
3.5 Inclined geosynchronous orbit
A geosynchronous orbit with an orbital inclination not equal to 0°.
Note: The sub-satellite point trajectory of the satellite running on this orbit is a closed curve in the shape of an "8".
3.6 Geostationary orbit
A geosynchronous orbit with an orbital inclination of 0°.
Note: The position of the satellite operating in this orbit relative to the ground remains unchanged.
3.7 Neutral atmosphere
A non-ionized gas in the Earth's atmosphere.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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