Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.97303E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:25:58+0800
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    1 Object 1

    AOE ID 44349
    NORAD ID 44349
    Object Type PAYLOAD
    Country
    TW TW
    VS

    2 Object 2

    AOE ID 56785
    NORAD ID 56785
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FORMOSAT7-1/COSMIC2-1 STARLINK-5931
    Time of Closest Approach 2026-09-13T19:13:17+0000
    Collision Probability (Pc) 9.97303E-7
    Conjunction Distance (km) 2.909 km
    Relative Speed (km/s) 8.243 km/s
    Conjunction Risk Parameters R (Radial): 0.732 | I (In-track): 2.364 | C (Cross-track): 1.53
    Collision Risk Index (CRI) 0.35
    X Position (km) -3219.441 -3217.462
    Position Y (km) -5477.277 -5478.457
    Position Z (km) 2814.32 2816.095
    Velocity X (km/s) 6.588 3.888
    Velocity Y (km/s) -3.738 1.025
    Velocity Z (km/s) 0.26 6.42

    Orbital Parameters 国际轨道数据源

    Parameter FORMOSAT7-1/COSMIC2-1 STARLINK-5931
    Semimajor Axis (a) 6954.918 km 6950.203 km
    Eccentricity (e) 0.000094 0.000333
    Inclination (i) 23.9968° 69.9971°
    RAAN 166.6315° 234.5014°
    Perigee Argument 111.3922° 287.4278°
    Mean Anomaly (M) 248.6678° 72.6517°
    Apogee 577.433 km 574.378 km
    Perigee 576.129 km 569.754 km
    Orbit Epoch 2026-09-12T01:14:42+0000 2026-09-12T03:03:07+0000

    FORMOSAT7-1/COSMIC2-1 & STARLINK-5931 Collision Probability (Pc) Trend

    FORMOSAT7-1/COSMIC2-1 & STARLINK-5931 Collision Probability (Pc) TrendNot Available

    FORMOSAT7-1/COSMIC2-1 & STARLINK-5931 Miss Distance (Miss Distance) Trend

    FORMOSAT7-1/COSMIC2-1 & STARLINK-5931 Miss Distance (Miss Distance) TrendNot Available

    FORMOSAT7-1/COSMIC2-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5931Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FORMOSAT7-1/COSMIC2-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5931Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FORMOSAT7-1/COSMIC2-1

    No nearby objects data