Conjunction Event Detail

    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    1.583442E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T14:16:00+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 30558
    NORAD ID 30558
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 31455
    NORAD ID 31455
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB FENGYUN 1C DEB
    Time of Closest Approach 2026-09-11T18:43:43+0000
    Collision Probability (Pc) 1.583442E-3
    Conjunction Distance (km) 0.031 km
    Relative Speed (km/s) 13.906 km/s
    Conjunction Risk Parameters R (Radial): -0.012 | I (In-track): -0.001 | C (Cross-track): 0.029
    Collision Risk Index (CRI) 0.99
    X Position (km) 2511.71 2511.737
    Position Y (km) 2011.157 2011.144
    Position Z (km) -6532.35 -6532.358
    Velocity X (km/s) 6.564 -3.348
    Velocity Y (km/s) 1.67 -5.876
    Velocity Z (km/s) 3.253 -2.925

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB FENGYUN 1C DEB
    Semimajor Axis (a) 7527.076 km 7231.649 km
    Eccentricity (e) 0.042114 0.021723
    Inclination (i) 99.4733° 98.5998°
    RAAN 16.1122° 234.6250°
    Perigee Argument 340.6058° 357.9628°
    Mean Anomaly (M) 17.9447° 2.0638°
    Apogee 1465.933 km 1010.609 km
    Perigee 831.945 km 696.415 km
    Orbit Epoch 2026-09-08T18:47:12+0000 2026-09-09T17:55:52+0000

    FENGYUN 1C DEB & FENGYUN 1C DEB Collision Probability (Pc) Trend

    FENGYUN 1C DEB & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss 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

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data