Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.458778E-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 2026-09-12T16:42:58+0000
    Collision Probability (Pc) 5.458778E-6
    Conjunction Distance (km) 1.446 km
    Relative Speed (km/s) 9.155 km/s
    Conjunction Risk Parameters R (Radial): 0.139 | I (In-track): -1.148 | C (Cross-track): -0.865
    Collision Risk Index (CRI) 0.5
    X Position (km) -962.794 -963.241
    Position Y (km) -4543.856 -4542.88
    Position Z (km) -5134.225 -5135.192
    Velocity X (km/s) 6.109 -2.546
    Velocity Y (km/s) -3.869 -5.102
    Velocity Z (km/s) 2.28 4.995

    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