Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.483271E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T02:43:27+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 63938
    NORAD ID 63938
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-33988
    Time of Closest Approach 2026-09-05T15:43:16+0000
    Collision Probability (Pc) 8.483271E-6
    Conjunction Distance (km) 1.405 km
    Relative Speed (km/s) 15.152 km/s
    Conjunction Risk Parameters R (Radial): -1.404 | I (In-track): -0.015 | C (Cross-track): -0.004
    Collision Risk Index (CRI) 0.54
    X Position (km) 6192.479 6191.202
    Position Y (km) 1029.903 1029.698
    Position Z (km) -2731.54 -2730.992
    Velocity X (km/s) 3.14 -3.252
    Velocity Y (km/s) -0.571 2.343
    Velocity Z (km/s) 6.931 -6.493

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-33988
    Semimajor Axis (a) 6842.458 km 6877.494 km
    Eccentricity (e) 0.000792 0.000216
    Inclination (i) 97.4502° 70.0023°
    RAAN 4.8011° 184.0271°
    Perigee Argument 50.5723° 289.8621°
    Mean Anomaly (M) 309.6219° 108.9786°
    Apogee 469.738 km 500.842 km
    Perigee 458.904 km 497.872 km
    Orbit Epoch 2026-09-04T06:56:42+0000 2026-09-04T06:00:02+0000

    TIANMU-1 20 & STARLINK-33988 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-33988 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-33988 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-33988 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33988Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33988Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data