Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.16347E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:25:14+0800
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    1 Object 1

    AOE ID 53743
    NORAD ID 53743
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66245
    NORAD ID 66245
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4645 STARLINK-35503
    Time of Closest Approach 2026-09-07T13:36:31+0000
    Collision Probability (Pc) 1.16347E-6
    Conjunction Distance (km) 1.426 km
    Relative Speed (km/s) 0.438 km/s
    Conjunction Risk Parameters R (Radial): -0.234 | I (In-track): -1.405 | C (Cross-track): -0.039
    Collision Risk Index (CRI) 0.36
    X Position (km) -1657.017 -1658.246
    Position Y (km) -3750.854 -3750.155
    Position Z (km) 5465.554 5465.368
    Velocity X (km/s) 6.911 7.053
    Velocity Y (km/s) -3.251 -2.932
    Velocity Z (km/s) -0.136 0.128

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4645 STARLINK-35503
    Semimajor Axis (a) 6840.873 km 6840.817 km
    Eccentricity (e) 0.000140 0.000129
    Inclination (i) 53.1590° 53.1569°
    RAAN 165.3904° 169.1861°
    Perigee Argument 94.6618° 90.6982°
    Mean Anomaly (M) 265.4545° 269.4169°
    Apogee 463.696 km 463.564 km
    Perigee 461.776 km 461.796 km
    Orbit Epoch 2026-09-05T03:22:20+0000 2026-09-05T04:56:54+0000

    STARLINK-4645 & STARLINK-35503 Collision Probability (Pc) Trend

    STARLINK-4645 & STARLINK-35503 Collision Probability (Pc) TrendNot Available

    STARLINK-4645 & STARLINK-35503 Miss Distance (Miss Distance) Trend

    STARLINK-4645 & STARLINK-35503 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4645Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35503Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4645Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35503Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4645

    No nearby objects data