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Acta Optica Sinica, Volume. 42, Issue 6, 0604001(2022)

Error Analysis of Space Objects Common-View Observation Positioning

Long Chen1,2, Chengzhi Liu1,3、*, Zhenwei Li1, and zhe Kang1
Author Affiliations
  • 1Changchun Observatory of National Astronomical Observatory, Chinese Academy of Sciences, Changchun, Jilin 130117, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Key Laboratory of Space Object & Debris Observation, PMO, Chinese Academy of Sciences, Nanjing, Jiangsu 210008, China;
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
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    References (22)
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    Schematic of common view observation of space target

    Fig. 1. Schematic of common view observation of space target

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    Root mean square error distribution of common-view observation and positioning of space targets with baseline length of 1000 km. (a) Front view; (b) side view; (c) top view; (d) 3D view

    Fig. 2. Root mean square error distribution of common-view observation and positioning of space targets with baseline length of 1000 km. (a) Front view; (b) side view; (c) top view; (d) 3D view

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    Root mean square error distribution of common-view observation and positioning of space targets with orbit altitude of 1000 km. (a) Front view; (b) side view; (c) top view; (d) 3D view

    Fig. 3. Root mean square error distribution of common-view observation and positioning of space targets with orbit altitude of 1000 km. (a) Front view; (b) side view; (c) top view; (d) 3D view

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    Box plot of SMA

    Fig. 4. Box plot of SMA

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    • Table 1. Orbit information of low-orbit laser star

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      Table 1. Orbit information of low-orbit laser star

      ObjectNORADnumberEccentricityAltitude /km
      GRACE-FO-2434770.00155500.0
      TechnoSat428290.00137600.0
      Cryosat-2365080.00039720.0
      Sentinel-3A413350.00008814.5
      HY-2C464690.00064971.0
      Jason-3412400.000751336.0
      Ajisai169080.001151485.0

    • Table 2. Root mean square error of laser star alignment observation at different orbital heights

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      Table 2. Root mean square error of laser star alignment observation at different orbital heights

      ObjectAltitude /kmRMS ofpositioningerror /mRMS oftheoreticalerror /m
      GRACE-FO-2500.042.4671.14
      TechnoSat600.048.0873.44
      Cryosat-2720.057.3179.91
      Sentinel-3A814.561.9587.13
      HY-2C971.079.96102.38
      Jason-31336.0119.67151.37
      Ajisai1485.0124.87166.48
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    Long Chen, Chengzhi Liu, Zhenwei Li, zhe Kang. Error Analysis of Space Objects Common-View Observation Positioning[J]. Acta Optica Sinica, 2022, 42(6): 0604001

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    Paper Information

    Category: Detectors

    Received: Aug. 26, 2021

    Accepted: Sep. 14, 2021

    Published Online: Mar. 8, 2022

    The Author Email: Liu Chengzhi (lcz@cho.ac.cn)

    DOI:10.3788/AOS202242.0604001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology