Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.711777E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T11:31:42+0800
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    1 Object 1

    AOE ID 52648
    NORAD ID 52648
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69471
    NORAD ID 69471
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3854 STARLINK-37451
    Time of Closest Approach 2026-10-21T18:58:35+0000
    Collision Probability (Pc) 1.711777E-4
    Conjunction Distance (km) 0.451 km
    Relative Speed (km/s) 7.287 km/s
    Conjunction Risk Parameters R (Radial): -0.295 | I (In-track): 0.299 | C (Cross-track): 0.163
    Collision Risk Index (CRI) 0.8
    X Position (km) -1410.318 -1410.704
    Position Y (km) -4456.802 -4456.892
    Position Z (km) -5002.107 -5002.323
    Velocity X (km/s) 5.583 7.189
    Velocity Y (km/s) -4.558 0.515
    Velocity Z (km/s) 2.489 -2.488

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3854 STARLINK-37451
    Semimajor Axis (a) 6840.885 km 6840.819 km
    Eccentricity (e) 0.000137 0.000260
    Inclination (i) 53.1594° 53.1553°
    RAAN 315.1724° 30.8629°
    Perigee Argument 84.4889° 84.4347°
    Mean Anomaly (M) 275.6270° 275.6953°
    Apogee 463.688 km 464.462 km
    Perigee 461.808 km 460.902 km
    Orbit Epoch 2026-10-19T18:48:07+0000 2026-10-19T06:30:31+0000

    STARLINK-3854 & STARLINK-37451 Collision Probability (Pc) Trend

    STARLINK-3854 & STARLINK-37451 Collision Probability (Pc) TrendNot Available

    STARLINK-3854 & STARLINK-37451 Miss Distance (Miss Distance) Trend

    STARLINK-3854 & STARLINK-37451 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3854Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37451Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3854Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37451Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3854

    No nearby objects data