Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.637364E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:52:10+0800
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    1 Object 1

    AOE ID 53528
    NORAD ID 53528
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56352
    NORAD ID 56352
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4503 STARLINK-5885
    Time of Closest Approach 2026-09-15T01:59:23+0000
    Collision Probability (Pc) 1.637364E-6
    Conjunction Distance (km) 2.165 km
    Relative Speed (km/s) 8.148 km/s
    Conjunction Risk Parameters R (Radial): -1.382 | I (In-track): -1.405 | C (Cross-track): -0.893
    Collision Risk Index (CRI) 0.39
    X Position (km) -965.628 -965.863
    Position Y (km) -4974.672 -4972.529
    Position Z (km) -4717.169 -4717.352
    Velocity X (km/s) 5.535 -2.259
    Velocity Y (km/s) -4.091 -4.743
    Velocity Z (km/s) 3.184 5.468

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4503 STARLINK-5885
    Semimajor Axis (a) 6917.885 km 6914.932 km
    Eccentricity (e) 0.000127 0.000301
    Inclination (i) 53.1621° 97.2825°
    RAAN 316.3228° 249.5541°
    Perigee Argument 96.2646° 112.2883°
    Mean Anomaly (M) 263.8490° 26.7671°
    Apogee 540.625 km 538.878 km
    Perigee 538.871 km 534.712 km
    Orbit Epoch 2026-09-12T04:17:55+0000 2026-09-12T08:00:02+0000

    STARLINK-4503 & STARLINK-5885 Collision Probability (Pc) Trend

    STARLINK-4503 & STARLINK-5885 Collision Probability (Pc) TrendNot Available

    STARLINK-4503 & STARLINK-5885 Miss Distance (Miss Distance) Trend

    STARLINK-4503 & STARLINK-5885 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5885Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5885Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4503

    No nearby objects data