Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    5.163203E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:26:29+0800
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    1 Object 1

    AOE ID 53720
    NORAD ID 53720
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69650
    NORAD ID 69650
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4642 STARLINK-37646
    Time of Closest Approach 2026-10-29T03:40:32+0000
    Collision Probability (Pc) 5.163203E-4
    Conjunction Distance (km) 0.267 km
    Relative Speed (km/s) 10.601 km/s
    Conjunction Risk Parameters R (Radial): -0.248 | I (In-track): -0.074 | C (Cross-track): -0.062
    Collision Risk Index (CRI) 0.89
    X Position (km) 3842.88 3842.773
    Position Y (km) -1758.839 -1758.853
    Position Z (km) 5374.481 5374.237
    Velocity X (km/s) 1.771 -5.999
    Velocity Y (km/s) 7.339 1.023
    Velocity Z (km/s) 1.135 4.613

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4642 STARLINK-37646
    Semimajor Axis (a) 6841.782 km 6843.622 km
    Eccentricity (e) 0.000386 0.000269
    Inclination (i) 53.1493° 97.2855°
    RAAN 272.1002° 342.7015°
    Perigee Argument 289.5673° 72.9334°
    Mean Anomaly (M) 70.4912° 287.2203°
    Apogee 466.286 km 467.326 km
    Perigee 461.004 km 463.644 km
    Orbit Epoch 2026-10-27T04:25:25+0000 2026-10-27T01:20:02+0000

    STARLINK-4642 & STARLINK-37646 Collision Probability (Pc) Trend

    STARLINK-4642 & STARLINK-37646 Collision Probability (Pc) TrendNot Available

    STARLINK-4642 & STARLINK-37646 Miss Distance (Miss Distance) Trend

    STARLINK-4642 & STARLINK-37646 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4642Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37646Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4642Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37646Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4642

    No nearby objects data