Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.809229E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T18:25:08+0800
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    1 Object 1

    AOE ID 41456
    NORAD ID 41456
    Object Type PAYLOAD
    Country
    ESA ESA
    VS

    2 Object 2

    AOE ID 66666
    NORAD ID 66666
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter SENTINEL 1B FORMOSAT-8A
    Time of Closest Approach 2026-09-05T11:05:59+0000
    Collision Probability (Pc) 4.809229E-4
    Conjunction Distance (km) 0.161 km
    Relative Speed (km/s) 1.205 km/s
    Conjunction Risk Parameters R (Radial): 0.006 | I (In-track): 0.16 | C (Cross-track): 0.012
    Collision Risk Index (CRI) 0.89
    X Position (km) 894.214 894.096
    Position Y (km) 470.087 470.196
    Position Z (km) -6874.723 -6874.725
    Velocity X (km/s) 5.06 5.872
    Velocity Y (km/s) -5.619 -4.747
    Velocity Z (km/s) 0.267 0.444

    Orbital Parameters 国际轨道数据源

    Parameter SENTINEL 1B FORMOSAT-8A
    Semimajor Axis (a) 6946.738 km 6941.904 km
    Eccentricity (e) 0.001192 0.000709
    Inclination (i) 98.0894° 97.6545°
    RAAN 310.9253° 319.7417°
    Perigee Argument 228.2667° 1.1952°
    Mean Anomaly (M) 131.7536° 358.9287°
    Apogee 576.880 km 568.686 km
    Perigee 560.322 km 558.848 km
    Orbit Epoch 2026-09-04T03:27:36+0000 2026-09-03T16:17:14+0000

    SENTINEL 1B & FORMOSAT-8A Collision Probability (Pc) Trend

    SENTINEL 1B & FORMOSAT-8A Collision Probability (Pc) TrendNot Available

    SENTINEL 1B & FORMOSAT-8A Miss Distance (Miss Distance) Trend

    SENTINEL 1B & FORMOSAT-8A Miss Distance (Miss Distance) TrendNot Available

    SENTINEL 1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FORMOSAT-8AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SENTINEL 1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    FORMOSAT-8ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SENTINEL 1B

    No nearby objects data