Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.572649E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T00:07:33+0800
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    1 Object 1

    AOE ID 4688
    NORAD ID 4688
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68636
    NORAD ID 68636
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB QIANFAN-109
    Time of Closest Approach 2026-10-17T03:21:27+0000
    Collision Probability (Pc) 1.572649E-6
    Conjunction Distance (km) 2.345 km
    Relative Speed (km/s) 10.048 km/s
    Conjunction Risk Parameters R (Radial): 2.32 | I (In-track): 0.241 | C (Cross-track): -0.242
    Collision Risk Index (CRI) 0.39
    X Position (km) 917.596 917.549
    Position Y (km) -942.313 -942.551
    Position Z (km) 7318.68 7321.011
    Velocity X (km/s) -5.966 -4.473
    Velocity Y (km/s) -4.229 5.649
    Velocity Z (km/s) 0.217 1.285

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB QIANFAN-109
    Semimajor Axis (a) 7436.533 km 7446.636 km
    Eccentricity (e) 0.002081 0.000151
    Inclination (i) 100.0537° 88.9821°
    RAAN 32.0952° 308.8424°
    Perigee Argument 339.1649° 92.4345°
    Mean Anomaly (M) 50.1429° 267.6979°
    Apogee 1073.874 km 1069.622 km
    Perigee 1042.918 km 1067.376 km
    Orbit Epoch 2026-10-14T05:53:34+0000 2026-10-14T07:25:10+0000

    THORAD AGENA D DEB & QIANFAN-109 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & QIANFAN-109 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & QIANFAN-109 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & QIANFAN-109 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-109Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-109Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data