Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.653257E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T21:42:09+0800
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    1 Object 1

    AOE ID 31356
    NORAD ID 31356
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67157
    NORAD ID 67157
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB KUIPER-00252
    Time of Closest Approach 2026-09-02T15:12:43+0000
    Collision Probability (Pc) 9.653257E-7
    Conjunction Distance (km) 2.787 km
    Relative Speed (km/s) 7.051 km/s
    Conjunction Risk Parameters R (Radial): -0.593 | I (In-track): -2.407 | C (Cross-track): -1.271
    Collision Risk Index (CRI) 0.35
    X Position (km) 5448.618 5447.536
    Position Y (km) 2608.328 2608.735
    Position Z (km) 3543.023 3545.559
    Velocity X (km/s) -2.842 -4.745
    Velocity Y (km/s) -2.818 3.714
    Velocity Z (km/s) 6.392 4.544

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB KUIPER-00252
    Semimajor Axis (a) 6996.078 km 7007.683 km
    Eccentricity (e) 0.002610 0.000038
    Inclination (i) 98.6516° 51.9018°
    RAAN 29.1649° 2.0821°
    Perigee Argument 154.2665° 102.0978°
    Mean Anomaly (M) 205.9852° 258.0026°
    Apogee 636.202 km 629.811 km
    Perigee 599.680 km 629.281 km
    Orbit Epoch 2026-09-01T05:04:56+0000 2026-09-01T17:57:45+0000

    FENGYUN 1C DEB & KUIPER-00252 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & KUIPER-00252 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & KUIPER-00252 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & KUIPER-00252 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00252Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00252Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data