Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.057469E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:36:35+0800
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    1 Object 1

    AOE ID 52473
    NORAD ID 52473
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53422
    NORAD ID 53422
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3879 STARLINK-4546
    Time of Closest Approach 2026-09-05T12:18:50+0000
    Collision Probability (Pc) 1.057469E-6
    Conjunction Distance (km) 2.383 km
    Relative Speed (km/s) 5.357 km/s
    Conjunction Risk Parameters R (Radial): -2.196 | I (In-track): -0.864 | C (Cross-track): 0.322
    Collision Risk Index (CRI) 0.35
    X Position (km) -760.134 -760.798
    Position Y (km) -4321.098 -4319.55
    Position Z (km) -5258.703 -5257.018
    Velocity X (km/s) 6.673 7.387
    Velocity Y (km/s) -3.262 0.787
    Velocity Z (km/s) 1.717 -1.717

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3879 STARLINK-4546
    Semimajor Axis (a) 6843.358 km 6840.857 km
    Eccentricity (e) 0.000107 0.000125
    Inclination (i) 53.1621° 53.1611°
    RAAN 337.9250° 33.9216°
    Perigee Argument 59.8997° 79.2003°
    Mean Anomaly (M) 300.2111° 280.9141°
    Apogee 465.950 km 463.579 km
    Perigee 464.492 km 461.861 km
    Orbit Epoch 2026-09-02T12:41:08+0000 2026-09-01T16:32:39+0000

    STARLINK-3879 & STARLINK-4546 Collision Probability (Pc) Trend

    STARLINK-3879 & STARLINK-4546 Collision Probability (Pc) TrendNot Available

    STARLINK-3879 & STARLINK-4546 Miss Distance (Miss Distance) Trend

    STARLINK-3879 & STARLINK-4546 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3879Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4546Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3879Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4546Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3879

    No nearby objects data