Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.421155E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:43:52+0800
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    1 Object 1

    AOE ID 44350
    NORAD ID 44350
    Object Type PAYLOAD
    Country
    TW TW
    VS

    2 Object 2

    AOE ID 55915
    NORAD ID 55915
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FORMOSAT7-4/COSMIC2-4 STARLINK-5859
    Time of Closest Approach 2026-09-13T20:02:06+0000
    Collision Probability (Pc) 3.421155E-6
    Conjunction Distance (km) 1.548 km
    Relative Speed (km/s) 6.302 km/s
    Conjunction Risk Parameters R (Radial): 1.101 | I (In-track): 0.992 | C (Cross-track): -0.449
    Collision Risk Index (CRI) 0.46
    X Position (km) 6741.255 6742.424
    Position Y (km) 622.056 622.941
    Position Z (km) 1571.648 1571.151
    Velocity X (km/s) -0.057 1.358
    Velocity Y (km/s) 7.132 2.795
    Velocity Z (km/s) -2.562 -6.908

    Orbital Parameters 国际轨道数据源

    Parameter FORMOSAT7-4/COSMIC2-4 STARLINK-5859
    Semimajor Axis (a) 6954.911 km 6950.189 km
    Eccentricity (e) 0.000143 0.000292
    Inclination (i) 23.9973° 69.9987°
    RAAN 233.9859° 196.5983°
    Perigee Argument 115.0148° 268.0358°
    Mean Anomaly (M) 245.0501° 92.0466°
    Apogee 577.768 km 574.083 km
    Perigee 575.780 km 570.021 km
    Orbit Epoch 2026-09-11T06:35:18+0000 2026-09-11T06:24:42+0000

    FORMOSAT7-4/COSMIC2-4 & STARLINK-5859 Collision Probability (Pc) Trend

    FORMOSAT7-4/COSMIC2-4 & STARLINK-5859 Collision Probability (Pc) TrendNot Available

    FORMOSAT7-4/COSMIC2-4 & STARLINK-5859 Miss Distance (Miss Distance) Trend

    FORMOSAT7-4/COSMIC2-4 & STARLINK-5859 Miss Distance (Miss Distance) TrendNot Available

    FORMOSAT7-4/COSMIC2-4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5859Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FORMOSAT7-4/COSMIC2-4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5859Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FORMOSAT7-4/COSMIC2-4

    No nearby objects data