Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.717999E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:59:31+0800
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    1 Object 1

    AOE ID 51740
    NORAD ID 51740
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57937
    NORAD ID 57937
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3500 STARLINK-30400
    Time of Closest Approach 2026-09-13T08:20:11+0000
    Collision Probability (Pc) 4.717999E-6
    Conjunction Distance (km) 1.326 km
    Relative Speed (km/s) 4.813 km/s
    Conjunction Risk Parameters R (Radial): 0.459 | I (In-track): 1.18 | C (Cross-track): -0.392
    Collision Risk Index (CRI) 0.48
    X Position (km) -1899.009 -1900.254
    Position Y (km) 3888.519 3888.234
    Position Z (km) -5304.772 -5305.127
    Velocity X (km/s) -7.319 -5.682
    Velocity Y (km/s) -1.5 -4.851
    Velocity Z (km/s) 1.521 -1.521

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3500 STARLINK-30400
    Semimajor Axis (a) 6840.924 km 6840.885 km
    Eccentricity (e) 0.000142 0.000129
    Inclination (i) 53.1598° 53.1591°
    RAAN 192.6235° 238.9146°
    Perigee Argument 79.6002° 92.6928°
    Mean Anomaly (M) 132.4645° 267.4222°
    Apogee 463.758 km 463.630 km
    Perigee 461.816 km 461.866 km
    Orbit Epoch 2026-09-11T06:00:02+0000 2026-09-11T06:45:58+0000

    STARLINK-3500 & STARLINK-30400 Collision Probability (Pc) Trend

    STARLINK-3500 & STARLINK-30400 Collision Probability (Pc) TrendNot Available

    STARLINK-3500 & STARLINK-30400 Miss Distance (Miss Distance) Trend

    STARLINK-3500 & STARLINK-30400 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3500Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30400Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3500Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30400Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3500

    No nearby objects data