Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.020338E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T00:28:21+0800
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    1 Object 1

    AOE ID 5422
    NORAD ID 5422
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66315
    NORAD ID 66315
    Object Type PAYLOAD
    Country
    ESA ESA

    Conjunction Constraints

    Parameter THORAD AGENA D DEB SENTINEL-1D
    Time of Closest Approach 2026-10-21T18:35:25+0000
    Collision Probability (Pc) 1.020338E-4
    Conjunction Distance (km) 0.656 km
    Relative Speed (km/s) 14.585 km/s
    Conjunction Risk Parameters R (Radial): 0.141 | I (In-track): 0.169 | C (Cross-track): 0.619
    Collision Risk Index (CRI) 0.75
    X Position (km) -2953.615 -2953.185
    Position Y (km) 3514.645 3515.129
    Position Z (km) 5374.741 5374.845
    Velocity X (km/s) 5.077 -2.327
    Velocity Y (km/s) -2.913 5.329
    Velocity Z (km/s) 4.732 -4.752

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB SENTINEL-1D
    Semimajor Axis (a) 7107.211 km 7073.896 km
    Eccentricity (e) 0.006817 0.000133
    Inclination (i) 100.0016° 98.1824°
    RAAN 141.3828° 299.8398°
    Perigee Argument 6.4448° 89.8336°
    Mean Anomaly (M) 353.7602° 270.3016°
    Apogee 777.527 km 696.697 km
    Perigee 680.621 km 694.821 km
    Orbit Epoch 2026-10-21T06:45:36+0000 2026-10-21T06:28:41+0000

    THORAD AGENA D DEB & SENTINEL-1D Collision Probability (Pc) Trend

    THORAD AGENA D DEB & SENTINEL-1D Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & SENTINEL-1D Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & SENTINEL-1D Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SENTINEL-1DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SENTINEL-1DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data