Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.207829E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:46:01+0800
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    1 Object 1

    AOE ID 54821
    NORAD ID 54821
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58645
    NORAD ID 58645
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5385 TIANMU-1 11
    Time of Closest Approach 2026-09-04T09:34:16+0000
    Collision Probability (Pc) 1.207829E-6
    Conjunction Distance (km) 2.674 km
    Relative Speed (km/s) 9.44 km/s
    Conjunction Risk Parameters R (Radial): 2.575 | I (In-track): -0.569 | C (Cross-track): 0.443
    Collision Risk Index (CRI) 0.37
    X Position (km) -750.887 -750.21
    Position Y (km) -5389.374 -5387.016
    Position Z (km) 4170.453 4169.39
    Velocity X (km/s) 7.211 -0.583
    Velocity Y (km/s) 0.816 4.72
    Velocity Z (km/s) 2.347 5.967

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5385 TIANMU-1 11
    Semimajor Axis (a) 6861.218 km 6860.894 km
    Eccentricity (e) 0.000096 0.001061
    Inclination (i) 43.0005° 97.3441°
    RAAN 222.3178° 265.9972°
    Perigee Argument 259.8791° 90.8045°
    Mean Anomaly (M) 100.1953° 269.4410°
    Apogee 483.740 km 490.036 km
    Perigee 482.422 km 475.478 km
    Orbit Epoch 2026-09-01T15:23:11+0000 2026-09-02T14:57:42+0000

    STARLINK-5385 & TIANMU-1 11 Collision Probability (Pc) Trend

    STARLINK-5385 & TIANMU-1 11 Collision Probability (Pc) TrendNot Available

    STARLINK-5385 & TIANMU-1 11 Miss Distance (Miss Distance) Trend

    STARLINK-5385 & TIANMU-1 11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5385Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5385Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5385

    No nearby objects data