Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    8.600544E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T14:44:20+0800
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    1 Object 1

    AOE ID 52866
    NORAD ID 52866
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54174
    NORAD ID 54174
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4272 STARLINK-5248
    Time of Closest Approach 2026-10-19T19:09:59+0000
    Collision Probability (Pc) 8.600544E-4
    Conjunction Distance (km) 0.143 km
    Relative Speed (km/s) 7.553 km/s
    Conjunction Risk Parameters R (Radial): -0.139 | I (In-track): -0.021 | C (Cross-track): -0.018
    Collision Risk Index (CRI) 0.94
    X Position (km) 3216.022 3215.933
    Position Y (km) -3463.403 -3463.349
    Position Z (km) -4952.973 -4952.875
    Velocity X (km/s) 2.996 6.713
    Velocity Y (km/s) 6.509 2.506
    Velocity Z (km/s) -2.608 2.608

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4272 STARLINK-5248
    Semimajor Axis (a) 6840.861 km 6839.840 km
    Eccentricity (e) 0.000122 0.000142
    Inclination (i) 53.1601° 53.1605°
    RAAN 91.9637° 13.7442°
    Perigee Argument 92.4572° 79.2763°
    Mean Anomaly (M) 267.6571° 280.8399°
    Apogee 463.561 km 462.673 km
    Perigee 461.887 km 460.733 km
    Orbit Epoch 2026-10-17T11:23:26+0000 2026-10-17T20:33:25+0000

    STARLINK-4272 & STARLINK-5248 Collision Probability (Pc) Trend

    STARLINK-4272 & STARLINK-5248 Collision Probability (Pc) TrendNot Available

    STARLINK-4272 & STARLINK-5248 Miss Distance (Miss Distance) Trend

    STARLINK-4272 & STARLINK-5248 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4272Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5248Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4272Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5248Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4272

    No nearby objects data