Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.506684E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T08:58:29+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 31834
    NORAD ID 31834
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57756
    NORAD ID 57756
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB WILDFIRE 4
    Time of Closest Approach 2026-09-10T05:05:18+0000
    Collision Probability (Pc) 1.506684E-6
    Conjunction Distance (km) 2.735 km
    Relative Speed (km/s) 14.655 km/s
    Conjunction Risk Parameters R (Radial): -1.387 | I (In-track): 0.163 | C (Cross-track): -2.35
    Collision Risk Index (CRI) 0.39
    X Position (km) -976.602 -979.078
    Position Y (km) -789.579 -790.15
    Position Z (km) -7224.101 -7225.111
    Velocity X (km/s) -0.912 1.908
    Velocity Y (km/s) 7.251 -7.089
    Velocity Z (km/s) -0.569 0.513

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB WILDFIRE 4
    Semimajor Axis (a) 7260.042 km 7319.509 km
    Eccentricity (e) 0.016219 0.001092
    Inclination (i) 98.3412° 80.9995°
    RAAN 94.8285° 285.0403°
    Perigee Argument 34.2254° 124.5111°
    Mean Anomaly (M) 326.9241° 235.7079°
    Apogee 999.655 km 949.368 km
    Perigee 764.155 km 933.376 km
    Orbit Epoch 2026-09-08T09:03:08+0000 2026-09-09T13:54:52+0000

    FENGYUN 1C DEB & WILDFIRE 4 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & WILDFIRE 4 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & WILDFIRE 4 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & WILDFIRE 4 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    WILDFIRE 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    WILDFIRE 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data