Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.366178E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T16:11:31+0800
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    1 Object 1

    AOE ID 46063
    NORAD ID 46063
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58661
    NORAD ID 58661
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-1577 TIANMU-1 20
    Time of Closest Approach 2026-09-13T18:56:29+0000
    Collision Probability (Pc) 2.366178E-6
    Conjunction Distance (km) 1.884 km
    Relative Speed (km/s) 8.57 km/s
    Conjunction Risk Parameters R (Radial): -0.894 | I (In-track): 1.373 | C (Cross-track): -0.929
    Collision Risk Index (CRI) 0.42
    X Position (km) -4819.161 -4817.388
    Position Y (km) -580.933 -581.392
    Position Z (km) -4839.199 -4839.642
    Velocity X (km/s) 3.612 5.084
    Velocity Y (km/s) -6.065 2.019
    Velocity Z (km/s) -2.872 -5.303

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1577 TIANMU-1 20
    Semimajor Axis (a) 6848.876 km 6842.131 km
    Eccentricity (e) 0.000124 0.000714
    Inclination (i) 53.1597° 97.4523°
    RAAN 323.5716° 13.5522°
    Perigee Argument 87.8910° 22.1231°
    Mean Anomaly (M) 272.2234° 338.0318°
    Apogee 471.589 km 468.880 km
    Perigee 469.889 km 459.108 km
    Orbit Epoch 2026-09-12T16:50:01+0000 2026-09-12T23:10:30+0000

    STARLINK-1577 & TIANMU-1 20 Collision Probability (Pc) Trend

    STARLINK-1577 & TIANMU-1 20 Collision Probability (Pc) TrendNot Available

    STARLINK-1577 & TIANMU-1 20 Miss Distance (Miss Distance) Trend

    STARLINK-1577 & TIANMU-1 20 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1577Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1577Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1577

    No nearby objects data