Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.251347E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:07:55+0800
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    1 Object 1

    AOE ID 53469
    NORAD ID 53469
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69706
    NORAD ID 69706
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4399 STARLINK-37970
    Time of Closest Approach 2026-09-05T20:39:37+0000
    Collision Probability (Pc) 1.251347E-6
    Conjunction Distance (km) 2.658 km
    Relative Speed (km/s) 9.88 km/s
    Conjunction Risk Parameters R (Radial): -0.792 | I (In-track): 1.935 | C (Cross-track): -1.64
    Collision Risk Index (CRI) 0.37
    X Position (km) -632.539 -634.57
    Position Y (km) -943.828 -942.304
    Position Z (km) 6740.447 6739.666
    Velocity X (km/s) -7.548 -2.111
    Velocity Y (km/s) -0.794 7.291
    Velocity Z (km/s) -0.818 0.819

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4399 STARLINK-37970
    Semimajor Axis (a) 6843.699 km 6843.633 km
    Eccentricity (e) 0.000113 0.000154
    Inclination (i) 97.2859° 97.2793°
    RAAN 4.7166° 283.0954°
    Perigee Argument 95.0819° 99.2683°
    Mean Anomaly (M) 265.0553° 260.8735°
    Apogee 466.337 km 466.551 km
    Perigee 464.787 km 464.441 km
    Orbit Epoch 2026-09-03T18:07:36+0000 2026-09-03T13:29:08+0000

    STARLINK-4399 & STARLINK-37970 Collision Probability (Pc) Trend

    STARLINK-4399 & STARLINK-37970 Collision Probability (Pc) TrendNot Available

    STARLINK-4399 & STARLINK-37970 Miss Distance (Miss Distance) Trend

    STARLINK-4399 & STARLINK-37970 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37970Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4399Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37970Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4399

    No nearby objects data