Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.989253E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:59:44+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52876
    NORAD ID 52876
    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-4200 TIANMU-1 22
    Time of Closest Approach 2026-09-13T17:41:22+0000
    Collision Probability (Pc) 1.989253E-6
    Conjunction Distance (km) 2.3 km
    Relative Speed (km/s) 13.909 km/s
    Conjunction Risk Parameters R (Radial): -1.234 | I (In-track): -0.8 | C (Cross-track): -1.766
    Collision Risk Index (CRI) 0.41
    X Position (km) 4739.1 4739.2
    Position Y (km) 474.289 472.704
    Position Z (km) 4911.721 4910.058
    Velocity X (km/s) 2.117 -5.223
    Velocity Y (km/s) 6.823 -1.951
    Velocity Z (km/s) -2.694 5.217

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4200 TIANMU-1 22
    Semimajor Axis (a) 6849.115 km 6847.575 km
    Eccentricity (e) 0.000160 0.000453
    Inclination (i) 53.1580° 97.4571°
    RAAN 248.9152° 11.0152°
    Perigee Argument 84.7171° 50.9798°
    Mean Anomaly (M) 275.4013° 309.1846°
    Apogee 472.074 km 472.538 km
    Perigee 469.882 km 466.338 km
    Orbit Epoch 2026-09-11T00:58:37+0000 2026-09-11T07:29:34+0000

    STARLINK-4200 & TIANMU-1 22 Collision Probability (Pc) Trend

    STARLINK-4200 & TIANMU-1 22 Collision Probability (Pc) TrendNot Available

    STARLINK-4200 & TIANMU-1 22 Miss Distance (Miss Distance) Trend

    STARLINK-4200 & TIANMU-1 22 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4200Miss 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-4200Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 22Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4200

    No nearby objects data