Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.863184E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T01:09:54+0800
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    1 Object 1

    AOE ID 57253
    NORAD ID 57253
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67989
    NORAD ID 67989
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5516 STARLINK-36957
    Time of Closest Approach 2026-09-04T23:30:57+0000
    Collision Probability (Pc) 6.863184E-7
    Conjunction Distance (km) 2.459 km
    Relative Speed (km/s) 2.638 km/s
    Conjunction Risk Parameters R (Radial): 0.09 | I (In-track): 2.42 | C (Cross-track): -0.426
    Collision Risk Index (CRI) 0.32
    X Position (km) 4988.098 4987.654
    Position Y (km) 1054.318 1056.735
    Position Z (km) -4595.767 -4595.828
    Velocity X (km/s) -0.688 -2.417
    Velocity Y (km/s) 7.523 7.158
    Velocity Z (km/s) 0.98 -0.977

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5516 STARLINK-36957
    Semimajor Axis (a) 6861.236 km 6861.154 km
    Eccentricity (e) 0.000092 0.000043
    Inclination (i) 43.0028° 42.9972°
    RAAN 104.1423° 134.9935°
    Perigee Argument 248.8515° 289.5376°
    Mean Anomaly (M) 111.2239° 70.5430°
    Apogee 483.729 km 483.310 km
    Perigee 482.469 km 482.724 km
    Orbit Epoch 2026-09-01T23:40:27+0000 2026-09-01T17:29:44+0000

    STARLINK-5516 & STARLINK-36957 Collision Probability (Pc) Trend

    STARLINK-5516 & STARLINK-36957 Collision Probability (Pc) TrendNot Available

    STARLINK-5516 & STARLINK-36957 Miss Distance (Miss Distance) Trend

    STARLINK-5516 & STARLINK-36957 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5516Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36957Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5516Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36957Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5516

    No nearby objects data