Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.449726E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-10T19:50:30+0800
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    1 Object 1

    AOE ID 4818
    NORAD ID 4818
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63600
    NORAD ID 63600
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB SHIYAN 27B
    Time of Closest Approach 2026-10-10T22:15:44+0000
    Collision Probability (Pc) 1.449726E-4
    Conjunction Distance (km) 0.54 km
    Relative Speed (km/s) 11.29 km/s
    Conjunction Risk Parameters R (Radial): 0.522 | I (In-track): 0.086 | C (Cross-track): -0.109
    Collision Risk Index (CRI) 0.78
    X Position (km) 1669.079 1669.127
    Position Y (km) -1049.393 -1049.587
    Position Z (km) -7164.846 -7165.348
    Velocity X (km/s) -7.176 2.138
    Velocity Y (km/s) -1.147 -6.832
    Velocity Z (km/s) -1.396 1.5

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB SHIYAN 27B
    Semimajor Axis (a) 7599.649 km 7423.837 km
    Eccentricity (e) 0.027036 0.000093
    Inclination (i) 99.8853° 99.6961°
    RAAN 186.2736° 288.4251°
    Perigee Argument 292.3666° 72.4855°
    Mean Anomaly (M) 128.1936° 287.6385°
    Apogee 1426.977 km 1046.388 km
    Perigee 1016.047 km 1045.012 km
    Orbit Epoch 2026-10-09T23:15:37+0000 2026-10-09T21:52:39+0000

    THORAD AGENA D DEB & SHIYAN 27B Collision Probability (Pc) Trend

    THORAD AGENA D DEB & SHIYAN 27B Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & SHIYAN 27B Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & SHIYAN 27B Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 27BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 27BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data