Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.173305E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:43:03+0800
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    1 Object 1

    AOE ID 25481
    NORAD ID 25481
    Object Type PAYLOAD
    Country
    ORB ORB
    VS

    2 Object 2

    AOE ID 29048
    NORAD ID 29048
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter ORBCOMM FM 27 FORMOSAT 3B
    Time of Closest Approach 2026-09-13T15:31:19+0000
    Collision Probability (Pc) 1.173305E-6
    Conjunction Distance (km) 2.953 km
    Relative Speed (km/s) 11.347 km/s
    Conjunction Risk Parameters R (Radial): 2.468 | I (In-track): 1.056 | C (Cross-track): -1.228
    Collision Risk Index (CRI) 0.36
    X Position (km) 3665.168 3665.282
    Position Y (km) 4583.205 4580.89
    Position Z (km) 4059.488 4057.66
    Velocity X (km/s) -3.661 -4.675
    Velocity Y (km/s) 5.713 -1.33
    Velocity Z (km/s) -3.137 5.701

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 27 FORMOSAT 3B
    Semimajor Axis (a) 7139.055 km 7165.051 km
    Eccentricity (e) 0.000289 0.004099
    Inclination (i) 45.0055° 71.9661°
    RAAN 298.0212° 44.2037°
    Perigee Argument 263.3002° 50.7643°
    Mean Anomaly (M) 96.7519° 309.7120°
    Apogee 762.980 km 816.281 km
    Perigee 758.856 km 757.547 km
    Orbit Epoch 2026-09-08T19:59:27+0000 2026-09-10T18:35:15+0000

    ORBCOMM FM 27 & FORMOSAT 3B Collision Probability (Pc) Trend

    ORBCOMM FM 27 & FORMOSAT 3B Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 27 & FORMOSAT 3B Miss Distance (Miss Distance) Trend

    ORBCOMM FM 27 & FORMOSAT 3B Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 27Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FORMOSAT 3BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 27Collision Probability Trend

    Object 1 Probability TrendNot Available

    FORMOSAT 3BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 27

    No nearby objects data