Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.968897E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:09:27+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 62423
    NORAD ID 62423
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-32680
    Time of Closest Approach 2026-09-03T10:30:15+0000
    Collision Probability (Pc) 1.968897E-6
    Conjunction Distance (km) 2.228 km
    Relative Speed (km/s) 12.251 km/s
    Conjunction Risk Parameters R (Radial): 2.217 | I (In-track): -0.127 | C (Cross-track): -0.186
    Collision Risk Index (CRI) 0.41
    X Position (km) -1723.028 -1723.397
    Position Y (km) 4750.195 4751.687
    Position Z (km) 4630.255 4631.869
    Velocity X (km/s) -0.525 -6.896
    Velocity Y (km/s) 5.22 -3.181
    Velocity Z (km/s) -5.54 0.697

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-32680
    Semimajor Axis (a) 6862.133 km 6861.114 km
    Eccentricity (e) 0.000812 0.000267
    Inclination (i) 97.1417° 43.0015°
    RAAN 282.5004° 37.8855°
    Perigee Argument 165.0324° 280.4604°
    Mean Anomaly (M) 195.1157° 79.5947°
    Apogee 489.565 km 484.809 km
    Perigee 478.427 km 481.145 km
    Orbit Epoch 2026-09-02T13:27:52+0000 2026-09-02T02:45:41+0000

    YAOGAN 21 & STARLINK-32680 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-32680 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-32680 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-32680 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32680Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32680Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data