Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.392576E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:36:36+0800
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    1 Object 1

    AOE ID 52847
    NORAD ID 52847
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58662
    NORAD ID 58662
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4206 TIANMU-1 21
    Time of Closest Approach 2026-09-12T01:49:32+0000
    Collision Probability (Pc) 3.392576E-6
    Conjunction Distance (km) 1.799 km
    Relative Speed (km/s) 12.33 km/s
    Conjunction Risk Parameters R (Radial): 1.078 | I (In-track): -0.837 | C (Cross-track): -1.17
    Collision Risk Index (CRI) 0.46
    X Position (km) -4105.408 -4103.816
    Position Y (km) -411.465 -412.272
    Position Z (km) -5463.772 -5463.557
    Velocity X (km/s) 0.177 5.747
    Velocity Y (km/s) -7.609 2.228
    Velocity Z (km/s) 0.44 -4.483

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4206 TIANMU-1 21
    Semimajor Axis (a) 6840.864 km 6834.670 km
    Eccentricity (e) 0.000124 0.000711
    Inclination (i) 53.1593° 97.4582°
    RAAN 277.0043° 14.5651°
    Perigee Argument 81.6247° 21.2224°
    Mean Anomaly (M) 280.8263° 338.9314°
    Apogee 463.576 km 461.393 km
    Perigee 461.878 km 451.673 km
    Orbit Epoch 2026-09-10T08:00:02+0000 2026-09-10T22:14:27+0000

    STARLINK-4206 & TIANMU-1 21 Collision Probability (Pc) Trend

    STARLINK-4206 & TIANMU-1 21 Collision Probability (Pc) TrendNot Available

    STARLINK-4206 & TIANMU-1 21 Miss Distance (Miss Distance) Trend

    STARLINK-4206 & TIANMU-1 21 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4206Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4206Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4206

    No nearby objects data