Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.133979E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:33:59+0800
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    1 Object 1

    AOE ID 4987
    NORAD ID 4987
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69118
    NORAD ID 69118
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB QIANFAN-159
    Time of Closest Approach 2026-10-28T05:14:40+0000
    Collision Probability (Pc) 1.133979E-4
    Conjunction Distance (km) 0.625 km
    Relative Speed (km/s) 13.902 km/s
    Conjunction Risk Parameters R (Radial): 0.56 | I (In-track): 0.077 | C (Cross-track): 0.266
    Collision Risk Index (CRI) 0.76
    X Position (km) -1912.156 -1912.431
    Position Y (km) -169.581 -169.353
    Position Z (km) 7185.486 7185.998
    Velocity X (km/s) 4.953 -6.986
    Velocity Y (km/s) 5.206 -1.107
    Velocity Z (km/s) 1.41 -1.882

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB QIANFAN-159
    Semimajor Axis (a) 7453.539 km 7446.621 km
    Eccentricity (e) 0.003899 0.000206
    Inclination (i) 99.6289° 89.0183°
    RAAN 223.6037° 8.8376°
    Perigee Argument 153.3641° 106.0434°
    Mean Anomaly (M) 359.4117° 254.0944°
    Apogee 1104.460 km 1070.021 km
    Perigee 1046.344 km 1066.947 km
    Orbit Epoch 2026-10-27T06:28:19+0000 2026-10-27T05:37:12+0000

    THORAD AGENA D DEB & QIANFAN-159 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & QIANFAN-159 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & QIANFAN-159 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & QIANFAN-159 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-159Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-159Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data