Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.301119E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:30:23+0800
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    1 Object 1

    AOE ID 49424
    NORAD ID 49424
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58662
    NORAD ID 58662
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3135 TIANMU-1 21
    Time of Closest Approach 2026-09-12T15:25:53+0000
    Collision Probability (Pc) 2.301119E-6
    Conjunction Distance (km) 2.009 km
    Relative Speed (km/s) 10.661 km/s
    Conjunction Risk Parameters R (Radial): 1.959 | I (In-track): 0.319 | C (Cross-track): -0.311
    Collision Risk Index (CRI) 0.42
    X Position (km) -3791.839 -3793.091
    Position Y (km) -1842.258 -1843.128
    Position Z (km) 5373.366 5374.673
    Velocity X (km/s) 1.968 -5.993
    Velocity Y (km/s) -7.299 -1.126
    Velocity Z (km/s) -1.111 -4.598

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3135 TIANMU-1 21
    Semimajor Axis (a) 6837.936 km 6834.670 km
    Eccentricity (e) 0.000120 0.000711
    Inclination (i) 53.1597° 97.4582°
    RAAN 106.4714° 14.5651°
    Perigee Argument 81.8641° 21.2224°
    Mean Anomaly (M) 291.9729° 338.9314°
    Apogee 460.617 km 461.393 km
    Perigee 458.981 km 451.673 km
    Orbit Epoch 2026-09-11T00:00:04+0000 2026-09-10T22:14:27+0000

    STARLINK-3135 & TIANMU-1 21 Collision Probability (Pc) Trend

    STARLINK-3135 & TIANMU-1 21 Collision Probability (Pc) TrendNot Available

    STARLINK-3135 & TIANMU-1 21 Miss Distance (Miss Distance) Trend

    STARLINK-3135 & TIANMU-1 21 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3135Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3135Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3135

    No nearby objects data