Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.788474E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T18:25:09+0800
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    1 Object 1

    AOE ID 53851
    NORAD ID 53851
    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-4755 TIANMU-1 20
    Time of Closest Approach 2026-10-29T10:39:12+0000
    Collision Probability (Pc) 5.788474E-5
    Conjunction Distance (km) 0.761 km
    Relative Speed (km/s) 12.041 km/s
    Conjunction Risk Parameters R (Radial): -0.242 | I (In-track): 0.438 | C (Cross-track): 0.573
    Collision Risk Index (CRI) 0.7
    X Position (km) -2615.961 -2616.692
    Position Y (km) -3166.31 -3166.465
    Position Z (km) -5474.156 -5474.019
    Velocity X (km/s) 5.755 2.52
    Velocity Y (km/s) -5.001 5.639
    Velocity Z (km/s) 0.142 -4.473

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4755 TIANMU-1 20
    Semimajor Axis (a) 6837.898 km 6840.227 km
    Eccentricity (e) 0.000130 0.000646
    Inclination (i) 53.1600° 97.4572°
    RAAN 330.6313° 57.9361°
    Perigee Argument 89.6265° 201.2758°
    Mean Anomaly (M) 270.4887° 158.8217°
    Apogee 460.653 km 466.508 km
    Perigee 458.869 km 457.672 km
    Orbit Epoch 2026-10-26T18:59:12+0000 2026-10-26T22:10:17+0000

    STARLINK-4755 & TIANMU-1 20 Collision Probability (Pc) Trend

    STARLINK-4755 & TIANMU-1 20 Collision Probability (Pc) TrendNot Available

    STARLINK-4755 & TIANMU-1 20 Miss Distance (Miss Distance) Trend

    STARLINK-4755 & TIANMU-1 20 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4755Miss 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-4755Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4755

    No nearby objects data