Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.255386E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:00:56+0800
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    1 Object 1

    AOE ID 23233
    NORAD ID 23233
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 31739
    NORAD ID 31739
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-2 F12 (USA 106) FENGYUN 1C DEB
    Time of Closest Approach 2026-09-12T14:10:44+0000
    Collision Probability (Pc) 6.255386E-6
    Conjunction Distance (km) 0.939 km
    Relative Speed (km/s) 1.08 km/s
    Conjunction Risk Parameters R (Radial): 0.581 | I (In-track): -0.737 | C (Cross-track): 0.012
    Collision Risk Index (CRI) 0.51
    X Position (km) 840.411 840.061
    Position Y (km) 703.254 703.918
    Position Z (km) -7144.542 -7145.105
    Velocity X (km/s) 4.104 4.932
    Velocity Y (km/s) -6.174 -5.526
    Velocity Z (km/s) -0.117 0.13

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F12 (USA 106) FENGYUN 1C DEB
    Semimajor Axis (a) 7216.772 km 7205.762 km
    Eccentricity (e) 0.001145 0.012742
    Inclination (i) 98.6604° 98.7103°
    RAAN 302.7372° 310.7383°
    Perigee Argument 30.1216° 14.1799°
    Mean Anomaly (M) 330.0615° 346.2901°
    Apogee 846.901 km 919.443 km
    Perigee 830.369 km 735.807 km
    Orbit Epoch 2026-09-11T19:57:16+0000 2026-09-11T09:50:02+0000

    DMSP 5D-2 F12 (USA 106) & FENGYUN 1C DEB Collision Probability (Pc) Trend

    DMSP 5D-2 F12 (USA 106) & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F12 (USA 106) & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F12 (USA 106) & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F12 (USA 106)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F12 (USA 106)Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F12 (USA 106)

    No nearby objects data