Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.123673E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:11:45+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 68325
    NORAD ID 68325
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-36309
    Time of Closest Approach 2026-09-12T01:16:38+0000
    Collision Probability (Pc) 3.123673E-5
    Conjunction Distance (km) 0.96 km
    Relative Speed (km/s) 14.773 km/s
    Conjunction Risk Parameters R (Radial): 0.855 | I (In-track): -0.121 | C (Cross-track): 0.42
    Collision Risk Index (CRI) 0.65
    X Position (km) 6667.761 6668.691
    Position Y (km) 1419.493 1419.282
    Position Z (km) 557.595 557.49
    Velocity X (km/s) -0.408 -0.462
    Velocity Y (km/s) -1.102 4.597
    Velocity Z (km/s) 7.548 -6.081

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-36309
    Semimajor Axis (a) 6842.194 km 6840.761 km
    Eccentricity (e) 0.000730 0.000136
    Inclination (i) 97.4518° 53.1593°
    RAAN 11.8410° 199.3318°
    Perigee Argument 27.8978° 88.2652°
    Mean Anomaly (M) 332.2655° 271.8507°
    Apogee 469.055 km 463.556 km
    Perigee 459.059 km 461.692 km
    Orbit Epoch 2026-09-11T06:28:11+0000 2026-09-11T05:45:49+0000

    TIANMU-1 20 & STARLINK-36309 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-36309 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-36309 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-36309 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36309Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36309Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data