Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    5.062921E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T06:34:13+0800
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    1 Object 1

    AOE ID 51877
    NORAD ID 51877
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66395
    NORAD ID 66395
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3556 STARLINK-35681
    Time of Closest Approach 2026-10-29T20:14:31+0000
    Collision Probability (Pc) 5.062921E-4
    Conjunction Distance (km) 0.282 km
    Relative Speed (km/s) 12.003 km/s
    Conjunction Risk Parameters R (Radial): -0.258 | I (In-track): -0.063 | C (Cross-track): -0.091
    Collision Risk Index (CRI) 0.89
    X Position (km) 6416.528 6416.741
    Position Y (km) 1659.101 1659.271
    Position Z (km) 1689.694 1689.764
    Velocity X (km/s) -2.626 0.261
    Velocity Y (km/s) 4.2 4.947
    Velocity Z (km/s) 5.813 -5.812

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3556 STARLINK-35681
    Semimajor Axis (a) 6840.861 km 6840.755 km
    Eccentricity (e) 0.000117 0.000192
    Inclination (i) 53.1615° 53.1565°
    RAAN 18.4176° 217.8413°
    Perigee Argument 87.6208° 30.5361°
    Mean Anomaly (M) 272.4928° 329.5753°
    Apogee 463.523 km 463.930 km
    Perigee 461.925 km 461.306 km
    Orbit Epoch 2026-10-26T15:33:52+0000 2026-10-27T05:00:52+0000

    STARLINK-3556 & STARLINK-35681 Collision Probability (Pc) Trend

    STARLINK-3556 & STARLINK-35681 Collision Probability (Pc) TrendNot Available

    STARLINK-3556 & STARLINK-35681 Miss Distance (Miss Distance) Trend

    STARLINK-3556 & STARLINK-35681 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3556Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35681Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3556Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35681Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3556

    No nearby objects data