Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.437007E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T03:43:26+0800
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    1 Object 1

    AOE ID 53251
    NORAD ID 53251
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66624
    NORAD ID 66624
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4129 STARLINK-35927
    Time of Closest Approach 2026-09-15T03:07:43+0000
    Collision Probability (Pc) 1.437007E-4
    Conjunction Distance (km) 0.485 km
    Relative Speed (km/s) 7.172 km/s
    Conjunction Risk Parameters R (Radial): 0.188 | I (In-track): 0.396 | C (Cross-track): -0.207
    Collision Risk Index (CRI) 0.78
    X Position (km) 1164.47 1164.006
    Position Y (km) -4504.343 -4504.329
    Position Z (km) -5022.383 -5022.247
    Velocity X (km/s) 5.857 7.174
    Velocity Y (km/s) 4.23 -0.862
    Velocity Z (km/s) -2.438 2.437

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4129 STARLINK-35927
    Semimajor Axis (a) 6840.905 km 6840.818 km
    Eccentricity (e) 0.000110 0.000123
    Inclination (i) 53.1628° 53.1605°
    RAAN 66.2132° 351.8643°
    Perigee Argument 84.8831° 88.4383°
    Mean Anomaly (M) 275.2297° 271.6761°
    Apogee 463.520 km 463.522 km
    Perigee 462.016 km 461.840 km
    Orbit Epoch 2026-09-11T18:19:59+0000 2026-09-12T06:38:15+0000

    STARLINK-4129 & STARLINK-35927 Collision Probability (Pc) Trend

    STARLINK-4129 & STARLINK-35927 Collision Probability (Pc) TrendNot Available

    STARLINK-4129 & STARLINK-35927 Miss Distance (Miss Distance) Trend

    STARLINK-4129 & STARLINK-35927 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4129Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35927Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4129Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35927Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4129

    No nearby objects data