Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.962656E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T22:33:40+0800
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    1 Object 1

    AOE ID 31891
    NORAD ID 31891
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63687
    NORAD ID 63687
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB HULIANWANG DIGUI-20
    Time of Closest Approach 2026-11-04T23:25:22+0000
    Collision Probability (Pc) 2.962656E-6
    Conjunction Distance (km) 1.645 km
    Relative Speed (km/s) 6.694 km/s
    Conjunction Risk Parameters R (Radial): 1.601 | I (In-track): 0.343 | C (Cross-track): 0.159
    Collision Risk Index (CRI) 0.44
    X Position (km) -308.993 -308.897
    Position Y (km) 1852.72 1852.784
    Position Z (km) -7315.733 -7317.373
    Velocity X (km/s) 5.513 -0.637
    Velocity Y (km/s) -4.412 -7.012
    Velocity Z (km/s) -1.292 -1.749

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB HULIANWANG DIGUI-20
    Semimajor Axis (a) 7390.320 km 7546.073 km
    Eccentricity (e) 0.022459 0.000151
    Inclination (i) 99.3906° 86.5010°
    RAAN 318.6238° 265.9497°
    Perigee Argument 61.4756° 86.8351°
    Mean Anomaly (M) 300.8802° 273.2956°
    Apogee 1178.161 km 1169.079 km
    Perigee 846.205 km 1166.793 km
    Orbit Epoch 2026-11-03T23:19:18+0000 2026-11-04T04:00:09+0000

    FENGYUN 1C DEB & HULIANWANG DIGUI-20 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & HULIANWANG DIGUI-20 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & HULIANWANG DIGUI-20 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & HULIANWANG DIGUI-20 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-20Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-20Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data