Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.187753E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T14:51:47+0800
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    1 Object 1

    AOE ID 52121
    NORAD ID 52121
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69966
    NORAD ID 69966
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3678 STARLINK-37894
    Time of Closest Approach 2026-09-07T15:41:35+0000
    Collision Probability (Pc) 9.187753E-7
    Conjunction Distance (km) 2.818 km
    Relative Speed (km/s) 6.624 km/s
    Conjunction Risk Parameters R (Radial): -2.814 | I (In-track): -0.119 | C (Cross-track): 0.05
    Collision Risk Index (CRI) 0.34
    X Position (km) -50.505 -50.655
    Position Y (km) 4545.742 4547.609
    Position Z (km) 5098.276 5100.381
    Velocity X (km/s) -6.913 -6.856
    Velocity Y (km/s) 2.398 -2.551
    Velocity Z (km/s) -2.201 2.201

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3678 STARLINK-37894
    Semimajor Axis (a) 6837.873 km 6840.847 km
    Eccentricity (e) 0.000121 0.000092
    Inclination (i) 53.1619° 53.1626°
    RAAN 341.9702° 47.1869°
    Perigee Argument 65.2863° 95.7353°
    Mean Anomaly (M) 294.8266° 264.3755°
    Apogee 460.565 km 463.343 km
    Perigee 458.907 km 462.077 km
    Orbit Epoch 2026-09-04T15:20:56+0000 2026-09-04T17:03:02+0000

    STARLINK-3678 & STARLINK-37894 Collision Probability (Pc) Trend

    STARLINK-3678 & STARLINK-37894 Collision Probability (Pc) TrendNot Available

    STARLINK-3678 & STARLINK-37894 Miss Distance (Miss Distance) Trend

    STARLINK-3678 & STARLINK-37894 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37894Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37894Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3678

    No nearby objects data