Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.891496E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:21:43+0800
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    1 Object 1

    AOE ID 52699
    NORAD ID 52699
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68074
    NORAD ID 68074
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3987 STARLINK-37045
    Time of Closest Approach 2026-10-21T23:38:24+0000
    Collision Probability (Pc) 4.891496E-5
    Conjunction Distance (km) 0.559 km
    Relative Speed (km/s) 2.168 km/s
    Conjunction Risk Parameters R (Radial): -0.463 | I (In-track): 0.309 | C (Cross-track): -0.043
    Collision Risk Index (CRI) 0.69
    X Position (km) -897.954 -898.197
    Position Y (km) 4050.855 4050.513
    Position Z (km) -5445.987 -5445.618
    Velocity X (km/s) -7.554 -7.181
    Velocity Y (km/s) -0.792 -2.475
    Velocity Z (km/s) 0.657 -0.657

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3987 STARLINK-37045
    Semimajor Axis (a) 6840.857 km 6840.810 km
    Eccentricity (e) 0.000118 0.000121
    Inclination (i) 53.1577° 53.1574°
    RAAN 191.0346° 211.1735°
    Perigee Argument 89.9547° 101.4569°
    Mean Anomaly (M) 270.1591° 258.6569°
    Apogee 463.525 km 463.498 km
    Perigee 461.915 km 461.848 km
    Orbit Epoch 2026-10-20T02:40:13+0000 2026-10-20T04:17:22+0000

    STARLINK-3987 & STARLINK-37045 Collision Probability (Pc) Trend

    STARLINK-3987 & STARLINK-37045 Collision Probability (Pc) TrendNot Available

    STARLINK-3987 & STARLINK-37045 Miss Distance (Miss Distance) Trend

    STARLINK-3987 & STARLINK-37045 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3987Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37045Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3987Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37045Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3987

    No nearby objects data