Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.270551E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:29:20+0800
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    1 Object 1

    AOE ID 52355
    NORAD ID 52355
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52464
    NORAD ID 52464
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3877 STARLINK-3904
    Time of Closest Approach 2026-09-04T13:07:07+0000
    Collision Probability (Pc) 1.270551E-6
    Conjunction Distance (km) 2.799 km
    Relative Speed (km/s) 11.56 km/s
    Conjunction Risk Parameters R (Radial): -2.796 | I (In-track): -0.066 | C (Cross-track): -0.089
    Collision Risk Index (CRI) 0.37
    X Position (km) 3982.274 3980.559
    Position Y (km) -4858.822 -4856.904
    Position Z (km) -2716.659 -2715.557
    Velocity X (km/s) 2.403 5.307
    Velocity Y (km/s) 4.93 1.388
    Velocity Z (km/s) -5.306 5.307

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3877 STARLINK-3904
    Semimajor Axis (a) 6840.872 km 6837.894 km
    Eccentricity (e) 0.000108 0.000115
    Inclination (i) 53.1602° 53.1611°
    RAAN 120.6491° 342.2507°
    Perigee Argument 92.4572° 88.0246°
    Mean Anomaly (M) 267.6555° 272.0889°
    Apogee 463.475 km 460.545 km
    Perigee 461.995 km 458.969 km
    Orbit Epoch 2026-09-02T08:37:17+0000 2026-09-01T13:23:07+0000

    STARLINK-3877 & STARLINK-3904 Collision Probability (Pc) Trend

    STARLINK-3877 & STARLINK-3904 Collision Probability (Pc) TrendNot Available

    STARLINK-3877 & STARLINK-3904 Miss Distance (Miss Distance) Trend

    STARLINK-3877 & STARLINK-3904 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3877Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3904Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3877Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3904Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3877

    No nearby objects data