Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.169742E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T02:09:24+0800
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    1 Object 1

    AOE ID 42436
    NORAD ID 42436
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 60393
    NORAD ID 60393
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter NIMBUS 2 DEB QIANFAN-15
    Time of Closest Approach 2026-09-13T21:09:10+0000
    Collision Probability (Pc) 6.169742E-5
    Conjunction Distance (km) 0.775 km
    Relative Speed (km/s) 14.369 km/s
    Conjunction Risk Parameters R (Radial): 0.274 | I (In-track): 0.118 | C (Cross-track): 0.716
    Collision Risk Index (CRI) 0.71
    X Position (km) -77.401 -76.686
    Position Y (km) -3480.629 -3480.389
    Position Z (km) -6603.165 -6602.991
    Velocity X (km/s) -2.665 0.14
    Velocity Y (km/s) 6.044 -6.452
    Velocity Z (km/s) -3.114 3.401

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 2 DEB QIANFAN-15
    Semimajor Axis (a) 7463.034 km 7446.617 km
    Eccentricity (e) 0.005158 0.001425
    Inclination (i) 100.2940° 88.9665°
    RAAN 103.7282° 270.9767°
    Perigee Argument 338.5080° 122.6396°
    Mean Anomaly (M) 21.3885° 237.6133°
    Apogee 1123.390 km 1079.093 km
    Perigee 1046.404 km 1057.867 km
    Orbit Epoch 2026-09-08T20:28:04+0000 2026-09-11T05:28:18+0000

    NIMBUS 2 DEB & QIANFAN-15 Collision Probability (Pc) Trend

    NIMBUS 2 DEB & QIANFAN-15 Collision Probability (Pc) TrendNot Available

    NIMBUS 2 DEB & QIANFAN-15 Miss Distance (Miss Distance) Trend

    NIMBUS 2 DEB & QIANFAN-15 Miss Distance (Miss Distance) TrendNot Available

    NIMBUS 2 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-15Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NIMBUS 2 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-15Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NIMBUS 2 DEB

    No nearby objects data