Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.887557E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T23:51:53+0800
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    1 Object 1

    AOE ID 4778
    NORAD ID 4778
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69416
    NORAD ID 69416
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB QIANFAN-198
    Time of Closest Approach 2026-10-13T07:16:05+0000
    Collision Probability (Pc) 3.887557E-6
    Conjunction Distance (km) 1.632 km
    Relative Speed (km/s) 9.773 km/s
    Conjunction Risk Parameters R (Radial): -1.57 | I (In-track): -0.323 | C (Cross-track): -0.297
    Collision Risk Index (CRI) 0.47
    X Position (km) -82.49 -82.751
    Position Y (km) 1314.2 1314.257
    Position Z (km) -7340.296 -7338.687
    Velocity X (km/s) 7.218 -0.28
    Velocity Y (km/s) -0.995 -7.182
    Velocity Z (km/s) -0.276 -1.284

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB QIANFAN-198
    Semimajor Axis (a) 7429.479 km 7446.613 km
    Eccentricity (e) 0.003601 0.000249
    Inclination (i) 99.9529° 88.9882°
    RAAN 350.6015° 268.0549°
    Perigee Argument 129.9580° 92.6782°
    Mean Anomaly (M) 259.0764° 267.4654°
    Apogee 1078.099 km 1070.331 km
    Perigee 1024.585 km 1066.621 km
    Orbit Epoch 2026-10-12T03:31:34+0000 2026-10-12T06:52:43+0000

    THORAD AGENA D DEB & QIANFAN-198 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & QIANFAN-198 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & QIANFAN-198 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & QIANFAN-198 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-198Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-198Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data