Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.422128E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:41:26+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) 1.422128E-6
    Conjunction Distance (km) 2.58 km
    Relative Speed (km/s) 11.347 km/s
    Conjunction Risk Parameters R (Radial): -2.459 | I (In-track): -0.506 | C (Cross-track): -0.586
    Collision Risk Index (CRI) 0.38
    X Position (km) 3665.384 3664.782
    Position Y (km) 4582.678 4580.747
    Position Z (km) 4059.871 4058.27
    Velocity X (km/s) -3.661 -4.676
    Velocity Y (km/s) 5.713 -1.331
    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) 7139.047 km 7165.051 km
    Eccentricity (e) 0.000293 0.004099
    Inclination (i) 45.0051° 71.9661°
    RAAN 287.1391° 44.2037°
    Perigee Argument 271.8040° 50.7643°
    Mean Anomaly (M) 88.2474° 309.7120°
    Apogee 762.999 km 816.281 km
    Perigee 758.821 km 757.547 km
    Orbit Epoch 2026-09-11T02:57:55+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