Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.536593E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:34:39+0800
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    1 Object 1

    AOE ID 25575
    NORAD ID 25575
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55976
    NORAD ID 55976
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter ISS (UNITY) TIANMU-1 06
    Time of Closest Approach 2026-09-13T15:16:23+0000
    Collision Probability (Pc) 1.536593E-6
    Conjunction Distance (km) 2.674 km
    Relative Speed (km/s) 14.292 km/s
    Conjunction Risk Parameters R (Radial): -2.641 | I (In-track): -0.151 | C (Cross-track): 0.387
    Collision Risk Index (CRI) 0.39
    X Position (km) -885.611 -885.597
    Position Y (km) -5282.665 -5280.424
    Position Z (km) 4176.417 4174.959
    Velocity X (km/s) 6.431 -2.025
    Velocity Y (km/s) 1.876 -4.381
    Velocity Z (km/s) 3.721 -5.954

    Orbital Parameters 国际轨道数据源

    Parameter ISS (UNITY) TIANMU-1 06
    Semimajor Axis (a) 6797.578 km 6794.680 km
    Eccentricity (e) 0.000500 0.000345
    Inclination (i) 51.6302° 97.5242°
    RAAN 236.7477° 71.7744°
    Perigee Argument 126.7110° 135.0959°
    Mean Anomaly (M) 233.4338° 225.0571°
    Apogee 422.838 km 418.884 km
    Perigee 416.044 km 414.202 km
    Orbit Epoch 2026-09-10T17:22:43+0000 2026-09-10T23:08:36+0000

    ISS (UNITY) & TIANMU-1 06 Collision Probability (Pc) Trend

    ISS (UNITY) & TIANMU-1 06 Collision Probability (Pc) TrendNot Available

    ISS (UNITY) & TIANMU-1 06 Miss Distance (Miss Distance) Trend

    ISS (UNITY) & TIANMU-1 06 Miss Distance (Miss Distance) TrendNot Available

    ISS (UNITY)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 06Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ISS (UNITY)Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 06Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ISS (UNITY)

    No nearby objects data