Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.218072E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:52:16+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 69239
    NORAD ID 69239
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-37558
    Time of Closest Approach 2026-09-13T14:46:26+0000
    Collision Probability (Pc) 1.218072E-4
    Conjunction Distance (km) 0.617 km
    Relative Speed (km/s) 14.738 km/s
    Conjunction Risk Parameters R (Radial): 0.574 | I (In-track): -0.057 | C (Cross-track): 0.219
    Collision Risk Index (CRI) 0.77
    X Position (km) 6411.914 6412.49
    Position Y (km) 1830.648 1830.595
    Position Z (km) -1534.813 -1535.026
    Velocity X (km/s) 1.902 -2.581
    Velocity Y (km/s) -0.513 4.146
    Velocity Z (km/s) 7.377 -5.867

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-37558
    Semimajor Axis (a) 6842.207 km 6840.883 km
    Eccentricity (e) 0.000734 0.000122
    Inclination (i) 97.4518° 53.1596°
    RAAN 11.5120° 200.1725°
    Perigee Argument 29.0182° 80.5389°
    Mean Anomaly (M) 331.1467° 279.5751°
    Apogee 469.095 km 463.580 km
    Perigee 459.045 km 461.912 km
    Orbit Epoch 2026-09-10T22:38:30+0000 2026-09-10T14:00:59+0000

    TIANMU-1 20 & STARLINK-37558 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-37558 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-37558 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-37558 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37558Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37558Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data