Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.158972E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:25:31+0800
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    1 Object 1

    AOE ID 53743
    NORAD ID 53743
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59206
    NORAD ID 59206
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4645 STARLINK-31247
    Time of Closest Approach 2026-09-05T12:09:00+0000
    Collision Probability (Pc) 1.158972E-6
    Conjunction Distance (km) 2.911 km
    Relative Speed (km/s) 10.772 km/s
    Conjunction Risk Parameters R (Radial): 1.536 | I (In-track): -1.743 | C (Cross-track): 1.754
    Collision Risk Index (CRI) 0.36
    X Position (km) 5672.595 5670.81
    Position Y (km) 1184.995 1187.148
    Position Z (km) -3643.517 -3642.709
    Velocity X (km/s) -3.908 1.697
    Velocity Y (km/s) 4.703 5.876
    Velocity Z (km/s) -4.562 4.562

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4645 STARLINK-31247
    Semimajor Axis (a) 6840.885 km 6841.337 km
    Eccentricity (e) 0.000146 0.000097
    Inclination (i) 53.1593° 53.1605°
    RAAN 179.3965° 53.6192°
    Perigee Argument 94.2168° 98.2967°
    Mean Anomaly (M) 265.9002° 261.8146°
    Apogee 463.747 km 463.865 km
    Perigee 461.749 km 462.535 km
    Orbit Epoch 2026-09-02T03:27:43+0000 2026-09-02T13:59:37+0000

    STARLINK-4645 & STARLINK-31247 Collision Probability (Pc) Trend

    STARLINK-4645 & STARLINK-31247 Collision Probability (Pc) TrendNot Available

    STARLINK-4645 & STARLINK-31247 Miss Distance (Miss Distance) Trend

    STARLINK-4645 & STARLINK-31247 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4645Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31247Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4645Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31247Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4645

    No nearby objects data