Conjunction Event Detail

    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    1.143648E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T01:35:44+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) 1.143648E-3
    Conjunction Distance (km) 0.053 km
    Relative Speed (km/s) 1.205 km/s
    Conjunction Risk Parameters R (Radial): -0.006 | I (In-track): -0.051 | C (Cross-track): 0.004
    Collision Risk Index (CRI) 0.96
    X Position (km) 894.187 894.149
    Position Y (km) 470.118 470.153
    Position Z (km) -6874.725 -6874.721
    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) 0.001194 0.000709
    Inclination (i) 98.0894° 97.6545°
    RAAN 311.0639° 319.7417°
    Perigee Argument 227.7416° 1.1952°
    Mean Anomaly (M) 132.2795° 358.9287°
    Apogee 576.894 km 568.686 km
    Perigee 560.308 km 558.848 km
    Orbit Epoch 2026-09-04T06:39:47+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