Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.835745E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T02:12:52+0800
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    1 Object 1

    AOE ID 59498
    NORAD ID 59498
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67462
    NORAD ID 67462
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31731 STARLINK-36504
    Time of Closest Approach 2026-09-15T03:31:51+0000
    Collision Probability (Pc) 2.835745E-6
    Conjunction Distance (km) 1.81 km
    Relative Speed (km/s) 9.59 km/s
    Conjunction Risk Parameters R (Radial): -0.598 | I (In-track): 1.33 | C (Cross-track): -1.071
    Collision Risk Index (CRI) 0.44
    X Position (km) 6300.047 6299.133
    Position Y (km) 1375.88 1377.428
    Position Z (km) 2335.138 2334.937
    Velocity X (km/s) -2.866 0.334
    Velocity Y (km/s) 5.446 6.146
    Velocity Z (km/s) 4.507 -4.506

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31731 STARLINK-36504
    Semimajor Axis (a) 6861.191 km 6861.156 km
    Eccentricity (e) 0.000075 0.000015
    Inclination (i) 43.0010° 42.9983°
    RAAN 5.3692° 233.0916°
    Perigee Argument 249.3218° 358.7941°
    Mean Anomaly (M) 110.7553° 1.2911°
    Apogee 483.572 km 483.125 km
    Perigee 482.536 km 482.913 km
    Orbit Epoch 2026-09-12T07:55:18+0000 2026-09-11T23:33:22+0000

    STARLINK-31731 & STARLINK-36504 Collision Probability (Pc) Trend

    STARLINK-31731 & STARLINK-36504 Collision Probability (Pc) TrendNot Available

    STARLINK-31731 & STARLINK-36504 Miss Distance (Miss Distance) Trend

    STARLINK-31731 & STARLINK-36504 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31731Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36504Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31731Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36504Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31731

    No nearby objects data