Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.519929E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T07:54:32+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 63078
    NORAD ID 63078
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-32821
    Time of Closest Approach 2026-10-16T14:08:49+0000
    Collision Probability (Pc) 1.519929E-6
    Conjunction Distance (km) 2.753 km
    Relative Speed (km/s) 15.135 km/s
    Conjunction Risk Parameters R (Radial): 1.743 | I (In-track): 0.276 | C (Cross-track): 2.114
    Collision Risk Index (CRI) 0.39
    X Position (km) 4681.483 4679.2
    Position Y (km) -3818.342 -3819.132
    Position Z (km) 3236.825 3235.503
    Velocity X (km/s) -3.452 4.448
    Velocity Y (km/s) 1.428 0.189
    Velocity Z (km/s) 6.655 -6.195

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-32821
    Semimajor Axis (a) 6860.941 km 6852.607 km
    Eccentricity (e) 0.000887 0.000347
    Inclination (i) 97.1350° 69.9995°
    RAAN 323.7015° 156.0832°
    Perigee Argument 36.5990° 277.2165°
    Mean Anomaly (M) 323.5854° 82.8617°
    Apogee 488.890 km 476.846 km
    Perigee 476.718 km 472.094 km
    Orbit Epoch 2026-10-15T14:26:34+0000 2026-10-15T01:25:03+0000

    YAOGAN 21 & STARLINK-32821 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-32821 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-32821 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-32821 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data