Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.718992E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T09:58:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 31861
    NORAD ID 31861
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63689
    NORAD ID 63689
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB HULIANWANG DIGUI-22
    Time of Closest Approach 2026-09-07T02:34:43+0000
    Collision Probability (Pc) 2.718992E-6
    Conjunction Distance (km) 2.005 km
    Relative Speed (km/s) 13.788 km/s
    Conjunction Risk Parameters R (Radial): -1.081 | I (In-track): 0.499 | C (Cross-track): -1.611
    Collision Risk Index (CRI) 0.44
    X Position (km) -125.921 -127.354
    Position Y (km) 2121.631 2121.047
    Position Z (km) 7230.671 7231.945
    Velocity X (km/s) 5.747 -1.981
    Velocity Y (km/s) -4.105 6.705
    Velocity Z (km/s) 1.676 -1.997

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB HULIANWANG DIGUI-22
    Semimajor Axis (a) 7519.859 km 7546.048 km
    Eccentricity (e) 0.049529 0.000207
    Inclination (i) 102.3322° 86.4996°
    RAAN 139.6657° 285.6198°
    Perigee Argument 345.9473° 84.0943°
    Mean Anomaly (M) 12.8272° 276.0427°
    Apogee 1514.173 km 1169.474 km
    Perigee 769.271 km 1166.348 km
    Orbit Epoch 2026-09-05T14:08:03+0000 2026-09-06T15:10:01+0000

    FENGYUN 1C DEB & HULIANWANG DIGUI-22 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & HULIANWANG DIGUI-22 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & HULIANWANG DIGUI-22 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & HULIANWANG DIGUI-22 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-22Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-22Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data