Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.716585E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:34:39+0800
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    1 Object 1

    AOE ID 49409
    NORAD ID 49409
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-3075 STARLINK-4556
    Time of Closest Approach 2026-09-05T10:50:51+0000
    Collision Probability (Pc) 1.716585E-6
    Conjunction Distance (km) 2.38 km
    Relative Speed (km/s) 12.218 km/s
    Conjunction Risk Parameters R (Radial): 2.377 | I (In-track): -0.073 | C (Cross-track): 0.102
    Collision Risk Index (CRI) 0.4
    X Position (km) 4578.264 4576.768
    Position Y (km) -5079.022 -5077.174
    Position Z (km) -298.628 -298.527
    Velocity X (km/s) 3.228 3.576
    Velocity Y (km/s) 3.259 2.874
    Velocity Z (km/s) -6.103 6.104

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3075 STARLINK-4556
    Semimajor Axis (a) 6843.396 km 6840.861 km
    Eccentricity (e) 0.000082 0.000112
    Inclination (i) 53.1594° 53.1601°
    RAAN 146.4410° 327.6124°
    Perigee Argument 96.3770° 76.1201°
    Mean Anomaly (M) 263.7326° 283.9926°
    Apogee 465.824 km 463.493 km
    Perigee 464.694 km 461.955 km
    Orbit Epoch 2026-09-01T23:09:17+0000 2026-09-02T12:30:53+0000

    STARLINK-3075 & STARLINK-4556 Collision Probability (Pc) Trend

    STARLINK-3075 & STARLINK-4556 Collision Probability (Pc) TrendNot Available

    STARLINK-3075 & STARLINK-4556 Miss Distance (Miss Distance) Trend

    STARLINK-3075 & STARLINK-4556 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3075Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3075Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3075

    No nearby objects data