Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.888388E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:45:51+0800
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    1 Object 1

    AOE ID 57514
    NORAD ID 57514
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58703
    NORAD ID 58703
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-30231 TIANMU-1 18
    Time of Closest Approach 2026-10-29T17:22:14+0000
    Collision Probability (Pc) 1.888388E-5
    Conjunction Distance (km) 0.953 km
    Relative Speed (km/s) 7.002 km/s
    Conjunction Risk Parameters R (Radial): 0.673 | I (In-track): 0.599 | C (Cross-track): 0.312
    Collision Risk Index (CRI) 0.61
    X Position (km) 4356.157 4355.521
    Position Y (km) -5275.48 -5275.073
    Position Z (km) 525.081 525.661
    Velocity X (km/s) 4.568 -0.392
    Velocity Y (km/s) 3.252 -1.084
    Velocity Z (km/s) -5.168 -7.538

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30231 TIANMU-1 18
    Semimajor Axis (a) 6861.193 km 6860.816 km
    Eccentricity (e) 0.000292 0.000415
    Inclination (i) 42.9865° 97.4631°
    RAAN 148.1243° 126.5111°
    Perigee Argument 287.9645° 221.0289°
    Mean Anomaly (M) 72.0888° 139.0638°
    Apogee 485.063 km 485.526 km
    Perigee 481.049 km 479.832 km
    Orbit Epoch 2026-10-27T06:33:06+0000 2026-10-27T06:26:29+0000

    STARLINK-30231 & TIANMU-1 18 Collision Probability (Pc) Trend

    STARLINK-30231 & TIANMU-1 18 Collision Probability (Pc) TrendNot Available

    STARLINK-30231 & TIANMU-1 18 Miss Distance (Miss Distance) Trend

    STARLINK-30231 & TIANMU-1 18 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30231Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30231Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30231

    No nearby objects data