Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.077764E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:51:31+0800
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    1 Object 1

    AOE ID 51876
    NORAD ID 51876
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53285
    NORAD ID 53285
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3583 STARLINK-4173
    Time of Closest Approach 2026-09-05T10:59:56+0000
    Collision Probability (Pc) 2.077764E-6
    Conjunction Distance (km) 2.171 km
    Relative Speed (km/s) 12.172 km/s
    Conjunction Risk Parameters R (Radial): 0.643 | I (In-track): 1.248 | C (Cross-track): 1.657
    Collision Risk Index (CRI) 0.41
    X Position (km) -91.799 -93.863
    Position Y (km) -6785.563 -6784.896
    Position Z (km) -854.383 -854.309
    Velocity X (km/s) 4.602 4.623
    Velocity Y (km/s) -0.816 0.69
    Velocity Z (km/s) 6.039 -6.039

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3583 STARLINK-4173
    Semimajor Axis (a) 6837.869 km 6837.887 km
    Eccentricity (e) 0.000113 0.000132
    Inclination (i) 53.1601° 53.1577°
    RAAN 288.9611° 97.2568°
    Perigee Argument 79.6911° 97.2822°
    Mean Anomaly (M) 280.4219° 30.8783°
    Apogee 460.504 km 460.651 km
    Perigee 458.960 km 458.849 km
    Orbit Epoch 2026-09-02T09:36:48+0000 2026-09-02T14:00:02+0000

    STARLINK-3583 & STARLINK-4173 Collision Probability (Pc) Trend

    STARLINK-3583 & STARLINK-4173 Collision Probability (Pc) TrendNot Available

    STARLINK-3583 & STARLINK-4173 Miss Distance (Miss Distance) Trend

    STARLINK-3583 & STARLINK-4173 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3583Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4173Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3583Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4173Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3583

    No nearby objects data