Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.021853E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:58:14+0800
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    1 Object 1

    AOE ID 11389
    NORAD ID 11389
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter OPS 5390 FORMOSAT 3B
    Time of Closest Approach 2026-09-13T05:04:54+0000
    Collision Probability (Pc) 6.021853E-6
    Conjunction Distance (km) 1.551 km
    Relative Speed (km/s) 14.811 km/s
    Conjunction Risk Parameters R (Radial): 0.236 | I (In-track): -0.163 | C (Cross-track): -1.523
    Collision Risk Index (CRI) 0.51
    X Position (km) 4943.233 4944.237
    Position Y (km) 2022.509 2021.343
    Position Z (km) -4785.589 -4785.397
    Velocity X (km/s) -3.94 2.991
    Velocity Y (km/s) -3.237 4.568
    Velocity Z (km/s) -5.438 5.069

    Orbital Parameters 国际轨道数据源

    Parameter OPS 5390 FORMOSAT 3B
    Semimajor Axis (a) 7171.990 km 7165.051 km
    Eccentricity (e) 0.001071 0.004099
    Inclination (i) 98.6392° 71.9661°
    RAAN 208.1649° 44.2037°
    Perigee Argument 248.0234° 50.7643°
    Mean Anomaly (M) 111.9810° 309.7120°
    Apogee 801.532 km 816.281 km
    Perigee 786.174 km 757.547 km
    Orbit Epoch 2026-09-11T06:41:00+0000 2026-09-10T18:35:15+0000

    OPS 5390 & FORMOSAT 3B Collision Probability (Pc) Trend

    OPS 5390 & FORMOSAT 3B Collision Probability (Pc) TrendNot Available

    OPS 5390 & FORMOSAT 3B Miss Distance (Miss Distance) Trend

    OPS 5390 & FORMOSAT 3B Miss Distance (Miss Distance) TrendNot Available

    OPS 5390Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FORMOSAT 3BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 5390Collision Probability Trend

    Object 1 Probability TrendNot Available

    FORMOSAT 3BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 5390

    No nearby objects data