Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.958746E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:22:35+0800
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    1 Object 1

    AOE ID 53700
    NORAD ID 53700
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58647
    NORAD ID 58647
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4725 TIANMU-1 13
    Time of Closest Approach 2026-09-12T22:18:52+0000
    Collision Probability (Pc) 2.958746E-6
    Conjunction Distance (km) 1.963 km
    Relative Speed (km/s) 14.462 km/s
    Conjunction Risk Parameters R (Radial): 0.371 | I (In-track): 0.626 | C (Cross-track): 1.823
    Collision Risk Index (CRI) 0.44
    X Position (km) 122.824 124.536
    Position Y (km) -5708.879 -5708.666
    Position Z (km) 3791.516 3792.452
    Velocity X (km/s) 5.552 -1.262
    Velocity Y (km/s) -2.817 4.153
    Velocity Z (km/s) -4.408 6.275

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4725 TIANMU-1 13
    Semimajor Axis (a) 6859.962 km 6861.712 km
    Eccentricity (e) 0.000065 0.000719
    Inclination (i) 53.1611° 97.3449°
    RAAN 130.0236° 274.2231°
    Perigee Argument 114.9291° 40.6371°
    Mean Anomaly (M) 199.2522° 319.5403°
    Apogee 482.274 km 488.508 km
    Perigee 481.376 km 478.642 km
    Orbit Epoch 2026-09-11T00:00:04+0000 2026-09-10T22:59:52+0000

    STARLINK-4725 & TIANMU-1 13 Collision Probability (Pc) Trend

    STARLINK-4725 & TIANMU-1 13 Collision Probability (Pc) TrendNot Available

    STARLINK-4725 & TIANMU-1 13 Miss Distance (Miss Distance) Trend

    STARLINK-4725 & TIANMU-1 13 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4725Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 13Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4725Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 13Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4725

    No nearby objects data