Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.365274E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:10:58+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 55398
    NORAD ID 55398
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FORMOSAT7-4/COSMIC2-4 STARLINK-5275
    Time of Closest Approach 2026-10-22T02:48:32+0000
    Collision Probability (Pc) 2.365274E-6
    Conjunction Distance (km) 1.932 km
    Relative Speed (km/s) 9.497 km/s
    Conjunction Risk Parameters R (Radial): -0.028 | I (In-track): -1.504 | C (Cross-track): -1.21
    Collision Risk Index (CRI) 0.42
    X Position (km) -5836.589 -5836.949
    Position Y (km) -2719.155 -2717.468
    Position Z (km) -2626.996 -2627.865
    Velocity X (km/s) 3.575 -1.228
    Velocity Y (km/s) -6.578 -3.655
    Velocity Z (km/s) -1.139 6.515

    Orbital Parameters 国际轨道数据源

    Parameter FORMOSAT7-4/COSMIC2-4 STARLINK-5275
    Semimajor Axis (a) 6954.483 km 6950.149 km
    Eccentricity (e) 0.000097 0.000275
    Inclination (i) 23.9991° 69.9996°
    RAAN 331.8283° 220.7379°
    Perigee Argument 187.0433° 274.7860°
    Mean Anomaly (M) 173.0054° 85.2985°
    Apogee 577.021 km 573.924 km
    Perigee 575.671 km 570.100 km
    Orbit Epoch 2026-10-20T03:18:43+0000 2026-10-19T06:01:08+0000

    FORMOSAT7-4/COSMIC2-4 & STARLINK-5275 Collision Probability (Pc) Trend

    FORMOSAT7-4/COSMIC2-4 & STARLINK-5275 Collision Probability (Pc) TrendNot Available

    FORMOSAT7-4/COSMIC2-4 & STARLINK-5275 Miss Distance (Miss Distance) Trend

    FORMOSAT7-4/COSMIC2-4 & STARLINK-5275 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-5275Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FORMOSAT7-4/COSMIC2-4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5275Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FORMOSAT7-4/COSMIC2-4

    No nearby objects data