Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.639903E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T01:01:45+0800
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    1 Object 1

    AOE ID 53180
    NORAD ID 53180
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56354
    NORAD ID 56354
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4258 STARLINK-5877
    Time of Closest Approach 2026-09-04T20:00:47+0000
    Collision Probability (Pc) 1.639903E-6
    Conjunction Distance (km) 2.565 km
    Relative Speed (km/s) 14.223 km/s
    Conjunction Risk Parameters R (Radial): -2.557 | I (In-track): -0.076 | C (Cross-track): -0.173
    Collision Risk Index (CRI) 0.39
    X Position (km) 1669.087 1669.583
    Position Y (km) 4900.909 4902.858
    Position Z (km) 4466.141 4467.732
    Velocity X (km/s) -6.709 2.798
    Velocity Y (km/s) -0.938 4.25
    Velocity Z (km/s) 3.527 -5.692

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4258 STARLINK-5877
    Semimajor Axis (a) 6843.392 km 6843.715 km
    Eccentricity (e) 0.000112 0.000157
    Inclination (i) 53.1617° 97.2848°
    RAAN 44.9464° 242.0688°
    Perigee Argument 91.3725° 87.7398°
    Mean Anomaly (M) 268.7406° 272.4025°
    Apogee 466.024 km 466.654 km
    Perigee 464.486 km 464.502 km
    Orbit Epoch 2026-09-01T19:49:33+0000 2026-09-02T00:04:01+0000

    STARLINK-4258 & STARLINK-5877 Collision Probability (Pc) Trend

    STARLINK-4258 & STARLINK-5877 Collision Probability (Pc) TrendNot Available

    STARLINK-4258 & STARLINK-5877 Miss Distance (Miss Distance) Trend

    STARLINK-4258 & STARLINK-5877 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4258Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5877Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4258Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5877Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4258

    No nearby objects data