Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.801725E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T13:59:55+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) 3.801725E-6
    Conjunction Distance (km) 1.644 km
    Relative Speed (km/s) 9.773 km/s
    Conjunction Risk Parameters R (Radial): -1.579 | I (In-track): -0.335 | C (Cross-track): -0.301
    Collision Risk Index (CRI) 0.47
    X Position (km) -82.478 -82.751
    Position Y (km) 1314.226 1314.288
    Position Z (km) -7340.302 -7338.683
    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) 7429.480 km 7446.613 km
    Eccentricity (e) 0.003601 0.000249
    Inclination (i) 99.9531° 88.9882°
    RAAN 349.8644° 268.0852°
    Perigee Argument 131.7343° 92.8123°
    Mean Anomaly (M) 291.1153° 267.3313°
    Apogee 1078.099 km 1070.329 km
    Perigee 1024.587 km 1066.623 km
    Orbit Epoch 2026-10-11T09:58:50+0000 2026-10-11T23:46:08+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