Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.791564E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:00:57+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 30266
    NORAD ID 30266
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-2 F12 (USA 106) FENGYUN 1C DEB
    Time of Closest Approach 2026-09-14T17:53:25+0000
    Collision Probability (Pc) 9.791564E-7
    Conjunction Distance (km) 2.139 km
    Relative Speed (km/s) 3.199 km/s
    Conjunction Risk Parameters R (Radial): -1.197 | I (In-track): -1.734 | C (Cross-track): -0.361
    Collision Risk Index (CRI) 0.35
    X Position (km) -678.304 -676.882
    Position Y (km) -915.761 -916.803
    Position Z (km) 7115.193 7113.982
    Velocity X (km/s) -4.366 -6.479
    Velocity Y (km/s) 6.01 3.651
    Velocity Z (km/s) 0.364 -0.084

    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 7215.813 km
    Eccentricity (e) 0.001145 0.008148
    Inclination (i) 98.6604° 99.0260°
    RAAN 302.7372° 327.3906°
    Perigee Argument 30.1216° 13.4637°
    Mean Anomaly (M) 330.0615° 359.5381°
    Apogee 846.901 km 896.474 km
    Perigee 830.369 km 778.878 km
    Orbit Epoch 2026-09-11T19:57:16+0000 2026-09-11T11:32:16+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