Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.064845E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T10:59:38+0800
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    1 Object 1

    AOE ID 53868
    NORAD ID 53868
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68549
    NORAD ID 68549
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4789 STARLINK-36204
    Time of Closest Approach 2026-09-12T21:00:27+0000
    Collision Probability (Pc) 1.064845E-6
    Conjunction Distance (km) 2.714 km
    Relative Speed (km/s) 7.862 km/s
    Conjunction Risk Parameters R (Radial): -2.683 | I (In-track): -0.339 | C (Cross-track): 0.209
    Collision Risk Index (CRI) 0.36
    X Position (km) -873.914 -873.866
    Position Y (km) -4697.382 -4699.303
    Position Z (km) 4882.213 4884.128
    Velocity X (km/s) 5.927 6.954
    Velocity Y (km/s) -3.964 1.568
    Velocity Z (km/s) -2.746 2.745

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4789 STARLINK-36204
    Semimajor Axis (a) 6837.855 km 6840.823 km
    Eccentricity (e) 0.000108 0.000132
    Inclination (i) 53.1594° 53.1585°
    RAAN 137.7943° 216.8239°
    Perigee Argument 76.8862° 101.4475°
    Mean Anomaly (M) 283.2261° 258.6676°
    Apogee 460.456 km 463.593 km
    Perigee 458.980 km 461.779 km
    Orbit Epoch 2026-09-11T02:19:18+0000 2026-09-11T07:12:58+0000

    STARLINK-4789 & STARLINK-36204 Collision Probability (Pc) Trend

    STARLINK-4789 & STARLINK-36204 Collision Probability (Pc) TrendNot Available

    STARLINK-4789 & STARLINK-36204 Miss Distance (Miss Distance) Trend

    STARLINK-4789 & STARLINK-36204 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4789Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36204Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4789Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36204Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4789

    No nearby objects data