Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.437705E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T09:14:34+0800
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    1 Object 1

    AOE ID 58702
    NORAD ID 58702
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59926
    NORAD ID 59926
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 17 STARLINK-31957
    Time of Closest Approach 2026-09-13T09:45:41+0000
    Collision Probability (Pc) 1.437705E-6
    Conjunction Distance (km) 2.56 km
    Relative Speed (km/s) 11.308 km/s
    Conjunction Risk Parameters R (Radial): -2.167 | I (In-track): 0.912 | C (Cross-track): 1.01
    Collision Risk Index (CRI) 0.38
    X Position (km) 1270.785 1272.174
    Position Y (km) 4865.076 4867.115
    Position Z (km) 4656.644 4657.326
    Velocity X (km/s) 0.016 -7.46
    Velocity Y (km/s) -5.285 1.525
    Velocity Z (km/s) 5.502 0.444

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 17 STARLINK-31957
    Semimajor Axis (a) 6861.363 km 6861.211 km
    Eccentricity (e) 0.000672 0.000170
    Inclination (i) 97.4644° 43.0075°
    RAAN 80.7540° 3.5616°
    Perigee Argument 59.9567° 275.1305°
    Mean Anomaly (M) 300.2338° 84.9353°
    Apogee 487.835 km 484.239 km
    Perigee 478.617 km 481.909 km
    Orbit Epoch 2026-09-11T19:50:26+0000 2026-09-11T08:44:35+0000

    TIANMU-1 17 & STARLINK-31957 Collision Probability (Pc) Trend

    TIANMU-1 17 & STARLINK-31957 Collision Probability (Pc) TrendNot Available

    TIANMU-1 17 & STARLINK-31957 Miss Distance (Miss Distance) Trend

    TIANMU-1 17 & STARLINK-31957 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 17Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31957Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 17Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31957Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 17

    No nearby objects data