Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.992857E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:08:16+0800
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    1 Object 1

    AOE ID 53470
    NORAD ID 53470
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64055
    NORAD ID 64055
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter STARLINK-4393 QPS-SAR-10 WADATSUMI-I
    Time of Closest Approach 2026-09-06T01:50:08+0000
    Collision Probability (Pc) 8.992857E-6
    Conjunction Distance (km) 1.363 km
    Relative Speed (km/s) 14.201 km/s
    Conjunction Risk Parameters R (Radial): -1.357 | I (In-track): 0.042 | C (Cross-track): -0.113
    Collision Risk Index (CRI) 0.54
    X Position (km) 6837.364 6836.012
    Position Y (km) 295.342 295.39
    Position Z (km) 1085.195 1085.037
    Velocity X (km/s) -1.145 0.545
    Velocity Y (km/s) -1.024 5.741
    Velocity Z (km/s) 7.43 -4.941

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4393 QPS-SAR-10 WADATSUMI-I
    Semimajor Axis (a) 6927.623 km 6937.822 km
    Eccentricity (e) 0.000084 0.001243
    Inclination (i) 97.2860° 42.0027°
    RAAN 1.0602° 204.1748°
    Perigee Argument 89.3606° 137.4775°
    Mean Anomaly (M) 270.7718° 222.7016°
    Apogee 550.070 km 568.308 km
    Perigee 548.902 km 551.062 km
    Orbit Epoch 2026-09-03T08:24:03+0000 2026-09-03T23:38:12+0000

    STARLINK-4393 & QPS-SAR-10 WADATSUMI-I Collision Probability (Pc) Trend

    STARLINK-4393 & QPS-SAR-10 WADATSUMI-I Collision Probability (Pc) TrendNot Available

    STARLINK-4393 & QPS-SAR-10 WADATSUMI-I Miss Distance (Miss Distance) Trend

    STARLINK-4393 & QPS-SAR-10 WADATSUMI-I Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4393Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QPS-SAR-10 WADATSUMI-IMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4393Collision Probability Trend

    Object 1 Probability TrendNot Available

    QPS-SAR-10 WADATSUMI-ICollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4393

    No nearby objects data