Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.571195E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T16:45:43+0800
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    1 Object 1

    AOE ID 40143
    NORAD ID 40143
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 67429
    NORAD ID 67429
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-36513
    Time of Closest Approach 2026-10-24T01:04:18+0000
    Collision Probability (Pc) 8.571195E-6
    Conjunction Distance (km) 1.264 km
    Relative Speed (km/s) 9.121 km/s
    Conjunction Risk Parameters R (Radial): 0.34 | I (In-track): -0.973 | C (Cross-track): -0.73
    Collision Risk Index (CRI) 0.54
    X Position (km) 5111.185 5111.736
    Position Y (km) -2169.205 -2168.822
    Position Z (km) -4034.199 -4033.129
    Velocity X (km/s) 3.611 4.452
    Velocity Y (km/s) -2.803 5.594
    Velocity Z (km/s) 6.095 2.637

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-36513
    Semimajor Axis (a) 6860.693 km 6861.182 km
    Eccentricity (e) 0.000793 0.000171
    Inclination (i) 97.1355° 43.0032°
    RAAN 330.7217° 36.6456°
    Perigee Argument 13.6436° 299.0349°
    Mean Anomaly (M) 346.5017° 61.0332°
    Apogee 488.000 km 484.217 km
    Perigee 477.112 km 481.873 km
    Orbit Epoch 2026-10-22T22:30:26+0000 2026-10-22T13:14:20+0000

    YAOGAN 21 & STARLINK-36513 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-36513 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-36513 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-36513 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36513Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36513Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data