Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.201248E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:09:53+0800
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    1 Object 1

    AOE ID 53577
    NORAD ID 53577
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53613
    NORAD ID 53613
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4553 STARLINK-4655
    Time of Closest Approach 2026-09-05T20:50:09+0000
    Collision Probability (Pc) 1.201248E-6
    Conjunction Distance (km) 2.999 km
    Relative Speed (km/s) 12.216 km/s
    Conjunction Risk Parameters R (Radial): -2.517 | I (In-track): 0.98 | C (Cross-track): 1.302
    Collision Risk Index (CRI) 0.37
    X Position (km) -4759.239 -4758.657
    Position Y (km) 4902.5 4899.562
    Position Z (km) -362.352 -362.221
    Velocity X (km/s) -3.068 -3.508
    Velocity Y (km/s) -3.419 -2.966
    Velocity Z (km/s) -6.099 6.1

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4553 STARLINK-4655
    Semimajor Axis (a) 6840.866 km 6837.924 km
    Eccentricity (e) 0.000111 0.000163
    Inclination (i) 53.1608° 53.1606°
    RAAN 322.9918° 145.5846°
    Perigee Argument 80.0258° 107.5701°
    Mean Anomaly (M) 280.0870° 252.5480°
    Apogee 463.491 km 460.903 km
    Perigee 461.967 km 458.671 km
    Orbit Epoch 2026-09-03T11:45:42+0000 2026-09-03T21:59:06+0000

    STARLINK-4553 & STARLINK-4655 Collision Probability (Pc) Trend

    STARLINK-4553 & STARLINK-4655 Collision Probability (Pc) TrendNot Available

    STARLINK-4553 & STARLINK-4655 Miss Distance (Miss Distance) Trend

    STARLINK-4553 & STARLINK-4655 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4553Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4655Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4553Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4655Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4553

    No nearby objects data