Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.966159E-7
    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 2026-09-07T12:49:37+0000
    Collision Probability (Pc) 4.966159E-7
    Conjunction Distance (km) 2.018 km
    Relative Speed (km/s) 0.437 km/s
    Conjunction Risk Parameters R (Radial): -0.379 | I (In-track): -1.981 | C (Cross-track): 0.054
    Collision Risk Index (CRI) 0.29
    X Position (km) 1650.095 1651.817
    Position Y (km) 3762.992 3761.984
    Position Z (km) -5476.629 -5476.328
    Velocity X (km/s) -6.906 -7.046
    Velocity Y (km/s) 3.226 2.908
    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