Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.287224E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:50:56+0800
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    1 Object 1

    AOE ID 55461
    NORAD ID 55461
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57872
    NORAD ID 57872
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5646 STARLINK-30446
    Time of Closest Approach 2026-09-05T08:41:31+0000
    Collision Probability (Pc) 1.287224E-6
    Conjunction Distance (km) 2.118 km
    Relative Speed (km/s) 5.013 km/s
    Conjunction Risk Parameters R (Radial): -0.254 | I (In-track): 1.985 | C (Cross-track): 0.695
    Collision Risk Index (CRI) 0.37
    X Position (km) 481.637 483.713
    Position Y (km) -5294.911 -5294.527
    Position Z (km) -4340.533 -4340.37
    Velocity X (km/s) 7.021 7.309
    Velocity Y (km/s) 2.23 -0.924
    Velocity Z (km/s) -1.942 1.943

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5646 STARLINK-30446
    Semimajor Axis (a) 6861.168 km 6861.228 km
    Eccentricity (e) 0.000128 0.000165
    Inclination (i) 43.0006° 43.0047°
    RAAN 50.1667° 356.9926°
    Perigee Argument 252.4342° 261.4975°
    Mean Anomaly (M) 107.6369° 98.5690°
    Apogee 483.912 km 484.226 km
    Perigee 482.150 km 481.956 km
    Orbit Epoch 2026-09-02T12:07:59+0000 2026-09-01T17:06:33+0000

    STARLINK-5646 & STARLINK-30446 Collision Probability (Pc) Trend

    STARLINK-5646 & STARLINK-30446 Collision Probability (Pc) TrendNot Available

    STARLINK-5646 & STARLINK-30446 Miss Distance (Miss Distance) Trend

    STARLINK-5646 & STARLINK-30446 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5646Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30446Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5646Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30446Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5646

    No nearby objects data