Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.702024E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T08:14:59+0800
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    1 Object 1

    AOE ID 4686
    NORAD ID 4686
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69860
    NORAD ID 69860
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB QIANFAN-231
    Time of Closest Approach 2026-10-20T01:54:16+0000
    Collision Probability (Pc) 2.702024E-6
    Conjunction Distance (km) 1.315 km
    Relative Speed (km/s) 1.858 km/s
    Conjunction Risk Parameters R (Radial): 1.045 | I (In-track): -0.792 | C (Cross-track): 0.093
    Collision Risk Index (CRI) 0.44
    X Position (km) 3689.699 3689.819
    Position Y (km) 4382.847 4383.133
    Position Z (km) -4766.96 -4768.238
    Velocity X (km/s) 4.214 2.883
    Velocity Y (km/s) 2.395 3.679
    Velocity Z (km/s) 5.454 5.618

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB QIANFAN-231
    Semimajor Axis (a) 7420.761 km 7446.582 km
    Eccentricity (e) 0.003697 0.000179
    Inclination (i) 100.2073° 89.0137°
    RAAN 40.4591° 50.7882°
    Perigee Argument 160.8211° 96.0183°
    Mean Anomaly (M) 225.7228° 264.1172°
    Apogee 1070.058 km 1069.779 km
    Perigee 1015.190 km 1067.111 km
    Orbit Epoch 2026-10-19T06:47:07+0000 2026-10-19T11:52:52+0000

    THORAD AGENA D DEB & QIANFAN-231 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & QIANFAN-231 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & QIANFAN-231 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & QIANFAN-231 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-231Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-231Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data