Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.491415E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T18:48:17+0800
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    1 Object 1

    AOE ID 51990
    NORAD ID 51990
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68343
    NORAD ID 68343
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3657 STARLINK-37158
    Time of Closest Approach 2026-09-05T19:44:56+0000
    Collision Probability (Pc) 9.491415E-7
    Conjunction Distance (km) 2.623 km
    Relative Speed (km/s) 5.864 km/s
    Conjunction Risk Parameters R (Radial): -2.424 | I (In-track): -0.925 | C (Cross-track): 0.378
    Collision Risk Index (CRI) 0.35
    X Position (km) -4260.685 -4262.485
    Position Y (km) 1272.579 1272.073
    Position Z (km) -5201.757 -5203.595
    Velocity X (km/s) 0.121 -4.148
    Velocity Y (km/s) -7.383 -6.108
    Velocity Z (km/s) -1.907 1.906

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3657 STARLINK-37158
    Semimajor Axis (a) 6837.873 km 6840.822 km
    Eccentricity (e) 0.000116 0.000075
    Inclination (i) 53.1593° 53.1584°
    RAAN 289.9166° 236.1882°
    Perigee Argument 88.8697° 65.9414°
    Mean Anomaly (M) 271.2440° 294.1667°
    Apogee 460.531 km 463.197 km
    Perigee 458.941 km 462.173 km
    Orbit Epoch 2026-09-04T03:36:04+0000 2026-09-03T08:39:33+0000

    STARLINK-3657 & STARLINK-37158 Collision Probability (Pc) Trend

    STARLINK-3657 & STARLINK-37158 Collision Probability (Pc) TrendNot Available

    STARLINK-3657 & STARLINK-37158 Miss Distance (Miss Distance) Trend

    STARLINK-3657 & STARLINK-37158 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37158Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37158Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3657

    No nearby objects data