Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.171444E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:46:47+0800
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    1 Object 1

    AOE ID 53966
    NORAD ID 53966
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63502
    NORAD ID 63502
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4635 STARLINK-33818
    Time of Closest Approach 2026-09-05T14:01:51+0000
    Collision Probability (Pc) 1.171444E-6
    Conjunction Distance (km) 2.784 km
    Relative Speed (km/s) 9.904 km/s
    Conjunction Risk Parameters R (Radial): -2.777 | I (In-track): 0.144 | C (Cross-track): 0.106
    Collision Risk Index (CRI) 0.36
    X Position (km) -5249.467 -5251.555
    Position Y (km) 1177.205 1177.856
    Position Z (km) 4211.774 4213.496
    Velocity X (km/s) 1.711 -4.257
    Velocity Y (km/s) -6.347 -5.007
    Velocity Z (km/s) 3.895 -3.894

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4635 STARLINK-33818
    Semimajor Axis (a) 6837.850 km 6840.851 km
    Eccentricity (e) 0.000117 0.000106
    Inclination (i) 53.1610° 53.1629°
    RAAN 138.4759° 31.6270°
    Perigee Argument 95.6032° 79.5387°
    Mean Anomaly (M) 264.5105° 280.5735°
    Apogee 460.514 km 463.436 km
    Perigee 458.912 km 461.992 km
    Orbit Epoch 2026-09-04T01:52:53+0000 2026-09-03T19:15:44+0000

    STARLINK-4635 & STARLINK-33818 Collision Probability (Pc) Trend

    STARLINK-4635 & STARLINK-33818 Collision Probability (Pc) TrendNot Available

    STARLINK-4635 & STARLINK-33818 Miss Distance (Miss Distance) Trend

    STARLINK-4635 & STARLINK-33818 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4635Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4635Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4635

    No nearby objects data