Conjunction Event Detail

    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    1.568865E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T18:51:18+0800
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    1 Object 1

    AOE ID 30688
    NORAD ID 30688
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 42267
    NORAD ID 42267
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB DMSP 5D-2 F13 DEB
    Time of Closest Approach 2026-09-07T23:21:19+0000
    Collision Probability (Pc) 1.568865E-3
    Conjunction Distance (km) 0.035 km
    Relative Speed (km/s) 14.676 km/s
    Conjunction Risk Parameters R (Radial): 0.03 | I (In-track): 0.01 | C (Cross-track): 0.015
    Collision Risk Index (CRI) 0.99
    X Position (km) -4488.414 -4488.434
    Position Y (km) 3309.476 3309.476
    Position Z (km) -4474.875 -4474.903
    Velocity X (km/s) 4.549 -2.828
    Velocity Y (km/s) -1.558 3.897
    Velocity Z (km/s) -5.714 5.741

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB DMSP 5D-2 F13 DEB
    Semimajor Axis (a) 7154.161 km 7201.203 km
    Eccentricity (e) 0.001547 0.008120
    Inclination (i) 98.6882° 98.7322°
    RAAN 329.8370° 135.1987°
    Perigee Argument 239.5535° 335.1442°
    Mean Anomaly (M) 150.4667° 24.5833°
    Apogee 787.092 km 881.539 km
    Perigee 764.956 km 764.593 km
    Orbit Epoch 2026-09-07T04:03:52+0000 2026-09-06T15:25:19+0000

    FENGYUN 1C DEB & DMSP 5D-2 F13 DEB Collision Probability (Pc) Trend

    FENGYUN 1C DEB & DMSP 5D-2 F13 DEB Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & DMSP 5D-2 F13 DEB Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & DMSP 5D-2 F13 DEB Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data