Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.200934E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:37:50+0800
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    1 Object 1

    AOE ID 53578
    NORAD ID 53578
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65078
    NORAD ID 65078
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4556 STARLINK-34771
    Time of Closest Approach 2026-09-13T13:48:57+0000
    Collision Probability (Pc) 1.200934E-6
    Conjunction Distance (km) 2.157 km
    Relative Speed (km/s) 4.758 km/s
    Conjunction Risk Parameters R (Radial): -0.455 | I (In-track): -2.004 | C (Cross-track): -0.653
    Collision Risk Index (CRI) 0.37
    X Position (km) -4133.566 -4132.678
    Position Y (km) 1263.192 1265.126
    Position Z (km) -5309.579 -5309.223
    Velocity X (km/s) -0.354 -3.883
    Velocity Y (km/s) -7.467 -6.388
    Velocity Z (km/s) -1.501 1.501

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4556 STARLINK-34771
    Semimajor Axis (a) 6840.845 km 6840.819 km
    Eccentricity (e) 0.000120 0.000112
    Inclination (i) 53.1586° 53.1581°
    RAAN 287.4186° 242.1764°
    Perigee Argument 69.7662° 93.9760°
    Mean Anomaly (M) 290.3470° 266.1371°
    Apogee 463.532 km 463.449 km
    Perigee 461.884 km 461.915 km
    Orbit Epoch 2026-09-11T02:51:56+0000 2026-09-10T23:37:05+0000

    STARLINK-4556 & STARLINK-34771 Collision Probability (Pc) Trend

    STARLINK-4556 & STARLINK-34771 Collision Probability (Pc) TrendNot Available

    STARLINK-4556 & STARLINK-34771 Miss Distance (Miss Distance) Trend

    STARLINK-4556 & STARLINK-34771 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4556Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34771Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4556Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34771Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4556

    No nearby objects data