Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.862634E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T10:41:55+0800
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    1 Object 1

    AOE ID 31165
    NORAD ID 31165
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68881
    NORAD ID 68881
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB KUIPER-00499
    Time of Closest Approach 2026-09-05T19:57:42+0000
    Collision Probability (Pc) 4.862634E-6
    Conjunction Distance (km) 1.585 km
    Relative Speed (km/s) 11.945 km/s
    Conjunction Risk Parameters R (Radial): 1.193 | I (In-track): 0.631 | C (Cross-track): 0.832
    Collision Risk Index (CRI) 0.49
    X Position (km) 3612.698 3612.283
    Position Y (km) -2371.35 -2371.832
    Position Z (km) 5508.795 5507.344
    Velocity X (km/s) -5.875 4.15
    Velocity Y (km/s) 1.6 6.303
    Velocity Z (km/s) 4.472 -0.007

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB KUIPER-00499
    Semimajor Axis (a) 7024.445 km 7007.681 km
    Eccentricity (e) 0.006637 0.000056
    Inclination (i) 98.8634° 51.8991°
    RAAN 335.9135° 242.9477°
    Perigee Argument 126.9937° 31.1869°
    Mean Anomaly (M) 25.3534° 328.9126°
    Apogee 692.931 km 629.934 km
    Perigee 599.685 km 629.154 km
    Orbit Epoch 2026-09-03T17:55:34+0000 2026-09-04T09:31:19+0000

    FENGYUN 1C DEB & KUIPER-00499 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & KUIPER-00499 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & KUIPER-00499 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & KUIPER-00499 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00499Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00499Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data