Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.73523E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:03:43+0800
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    1 Object 1

    AOE ID 40648
    NORAD ID 40648
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 60395
    NORAD ID 60395
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter NIMBUS 2 DEB QIANFAN-17
    Time of Closest Approach 2026-09-12T19:21:20+0000
    Collision Probability (Pc) 2.73523E-6
    Conjunction Distance (km) 2.028 km
    Relative Speed (km/s) 14.593 km/s
    Conjunction Risk Parameters R (Radial): -1.673 | I (In-track): -0.098 | C (Cross-track): 1.142
    Collision Risk Index (CRI) 0.44
    X Position (km) -159.837 -158.734
    Position Y (km) 7252.311 7253.94
    Position Z (km) -1670.982 -1671.474
    Velocity X (km/s) 1.294 -0.1
    Velocity Y (km/s) 1.666 -1.629
    Velocity Z (km/s) 7.012 -7.135

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 2 DEB QIANFAN-17
    Semimajor Axis (a) 7449.460 km 7446.640 km
    Eccentricity (e) 0.003930 0.001653
    Inclination (i) 100.2034° 88.9679°
    RAAN 86.5363° 271.2050°
    Perigee Argument 281.6248° 134.0842°
    Mean Anomaly (M) 78.0474° 226.1674°
    Apogee 1100.601 km 1080.814 km
    Perigee 1042.045 km 1056.192 km
    Orbit Epoch 2026-09-10T12:17:33+0000 2026-09-10T23:44:45+0000

    NIMBUS 2 DEB & QIANFAN-17 Collision Probability (Pc) Trend

    NIMBUS 2 DEB & QIANFAN-17 Collision Probability (Pc) TrendNot Available

    NIMBUS 2 DEB & QIANFAN-17 Miss Distance (Miss Distance) Trend

    NIMBUS 2 DEB & QIANFAN-17 Miss Distance (Miss Distance) TrendNot Available

    NIMBUS 2 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-17Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NIMBUS 2 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-17Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NIMBUS 2 DEB

    No nearby objects data