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GB/T 30112-2013: The lunar coordinate system
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The lunar coordinate system
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GB/T 30112-2013
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Basic data | Standard ID | GB/T 30112-2013 (GB/T30112-2013) | | Description (Translated English) | The lunar coordinate system | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A46 | | Classification of International Standard | 07.040 | | Word Count Estimation | 15,134 | | Regulation (derived from) | National Standards Bulletin No. 25 of 2013 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the lunar exploration and data processing related to the coordinate system, including the origin, scale, orientation and its evolution over time, a series of protocols, algorithms and constant coordinate system and defines the rela | GB/T 30112-2013: The lunar coordinate system---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
The lunar coordinate system
ICS 07.040
A46
National Standards of People's Republic of China
Moon spatial coordinate system
Issued on. 2013-12-17
2014-05-15 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
Introduction Ⅱ
1 Scope 1
2 Terms and definitions 1
3 Moon spatial coordinate system 3
3.1 lunar reference ellipsoid 3
3.2 lunar rotation parameters 3
3.4 month-fixed coordinate system 5
3.5 lunar satellite orbit coordinate system 5
3.6 lunar surface coordinate system 6
4 between the moon and Earth coordinate system and transform the coordinate system 7
4.1 Conversion between lunar coordinate system 7
Reference 10
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard and its application by the National Standardization Technical Committee on Space Sciences (SAC/TC312) centralized.
This standard was drafted. National Astronomical Observatories.
The main drafters of this standard. Li Chunlai, Ren Xin, Liu Jianjun, clever Mou, Wang Fenfei.
Introduction
Moon spatial coordinate system is used to describe the space inside surface of the moon, the moon's interior or a lunar space environment or some object of study
Location information of a set of protocols, including the origin, size and orientation with time and the evolution of a series of protocols, algorithms and constants and so on.
Since the 1950s, humanity has entered the lunar space probe era, has completed flew over the moon, lunar orbiter probe, Moon
Hard landing and a soft landing probe, as well as manned lunar sample return missions, etc., to obtain the mass of lunar exploration data, so that human-to-month
Ball deepening understanding. "Around, fall back" is the first phase of China's lunar probe programs, the successful launch of Chang E series detectors and scientific
Probe on the moon to carry out a global and comprehensive probe, rich lunar exploration results. Engineering requirements lunar exploration activities, the moon
Detection data processing, integrated data applications and scientific research, are required to detect these data under a unified system of space coordinates expressed,
But also unique, and with international practice, therefore, to formulate a unified standard lunar space coordinate system, regulate the use of lunar exploration data,
It is necessary.
The standard for lunar exploration and data processing system to coordinate the various requirements, refer to the information at home and abroad, standardized definitions
Related lunar coordinate system conversion and the relationship between them can be used for lunar exploration data acquisition, data processing and scientific research. in
Choice of terminology as much as possible with existing data coordination, while maintaining the relative independence and integrity of this standard, for the same term, with tight,
Accurate principle to the definition of the relevant standards and specifications to maintain the unity and coordination.
Moon spatial coordinate system
1 Scope
This standard specifies the lunar exploration and data processing related to the coordinate system, including the origin of the coordinate system, scale, orientation and play with time
It becomes a series of protocols, algorithms and constants, and define the conversion between the relevant coordinates.
This standard applies to lunar exploration data acquisition, data processing and scientific research.
2 Terms and definitions
The following terms and definitions apply to this document.
2.1
Reference ellipsoid referenceelipsoid
One kind of celestial body size, shape and expression measurements closest to deal with the outcome and use, and has certain parameters of the rotating ellipsoid.
[GB/T 14911-2008, the definition 2.14]
2.2
Reference ellipsoid long radius majorradiusofreferenceelipsoid
The length of the semi-major axis of the reference ellipsoid (a).
[GB/T 17159-1997, the definition 4.8]
2.3
Reference ellipsoid short radius minorradiusofreferenceelipsoid
Reference ellipsoid short axis length (b).
[GB/T 17159-1997, the definition 4.9]
2.4
Reference ellipsoid surfaceofreferenceelipsoid
Reference ellipsoid surface.
2.5
Precession precession
Earth's rotation axis in space instantaneously changing the long-term direction of movement.
[GB/T 17159-1997, the definition 3.22]
2.6
Nutation nutation
Earth instantaneous rotation axis in space, changing the direction of cyclical movement.
[GB/T 17159-1997, the definition 3.23]
2.7
Celestial celestialsphere
For the surface projection positions of celestial bodies and the virtual space to a point as the center and radius of the sphere of infinite length.
[GB/T 17159-1997, the definition 3.4]
2.8
Ecliptic ecliptic
Earth's orbit around the sun and the celestial plane intersects the great circle.
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