Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.563715E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:57:34+0800
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    1 Object 1

    AOE ID 53863
    NORAD ID 53863
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58663
    NORAD ID 58663
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4788 TIANMU-1 22
    Time of Closest Approach 2026-09-13T12:35:06+0000
    Collision Probability (Pc) 1.563715E-4
    Conjunction Distance (km) 0.552 km
    Relative Speed (km/s) 13.91 km/s
    Conjunction Risk Parameters R (Radial): 0.027 | I (In-track): 0.222 | C (Cross-track): 0.505
    Collision Risk Index (CRI) 0.79
    X Position (km) 4482.576 4482.644
    Position Y (km) 1712.937 1713.445
    Position Z (km) -4894.166 -4893.962
    Velocity X (km/s) -4.952 5.495
    Velocity Y (km/s) 5.097 0.588
    Velocity Z (km/s) -2.754 5.247

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4788 TIANMU-1 22
    Semimajor Axis (a) 6848.949 km 6847.575 km
    Eccentricity (e) 0.000132 0.000453
    Inclination (i) 53.1586° 97.4571°
    RAAN 161.8768° 11.0152°
    Perigee Argument 99.8046° 50.9798°
    Mean Anomaly (M) 260.3104° 309.1846°
    Apogee 471.714 km 472.538 km
    Perigee 469.910 km 466.338 km
    Orbit Epoch 2026-09-11T04:43:00+0000 2026-09-11T07:29:34+0000

    STARLINK-4788 & TIANMU-1 22 Collision Probability (Pc) Trend

    STARLINK-4788 & TIANMU-1 22 Collision Probability (Pc) TrendNot Available

    STARLINK-4788 & TIANMU-1 22 Miss Distance (Miss Distance) Trend

    STARLINK-4788 & TIANMU-1 22 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4788Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 22Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4788Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 22Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4788

    No nearby objects data