Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.626231E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T10:27:08+0800
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    1 Object 1

    AOE ID 31558
    NORAD ID 31558
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67156
    NORAD ID 67156
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB KUIPER-00251
    Time of Closest Approach 2026-09-14T07:45:30+0000
    Collision Probability (Pc) 4.626231E-6
    Conjunction Distance (km) 1.664 km
    Relative Speed (km/s) 13.924 km/s
    Conjunction Risk Parameters R (Radial): 1.569 | I (In-track): -0.231 | C (Cross-track): 0.503
    Collision Risk Index (CRI) 0.48
    X Position (km) 5012.074 5011.221
    Position Y (km) -622.405 -621.837
    Position Z (km) 4851.243 4849.932
    Velocity X (km/s) 4.87 -1.893
    Velocity Y (km/s) -2.226 6.742
    Velocity Z (km/s) -5.414 2.813

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB KUIPER-00251
    Semimajor Axis (a) 7139.446 km 7007.691 km
    Eccentricity (e) 0.021064 0.000040
    Inclination (i) 98.7672° 51.9017°
    RAAN 162.5554° 308.2607°
    Perigee Argument 169.4545° 81.5799°
    Mean Anomaly (M) 5.3536° 278.5208°
    Apogee 911.696 km 629.833 km
    Perigee 610.922 km 629.275 km
    Orbit Epoch 2026-09-12T12:33:07+0000 2026-09-13T08:47:27+0000

    FENGYUN 1C DEB & KUIPER-00251 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & KUIPER-00251 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & KUIPER-00251 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & KUIPER-00251 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00251Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00251Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data