Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.366059E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-31T19:25:00+0800
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    1 Object 1

    AOE ID 31631
    NORAD ID 31631
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 66736
    NORAD ID 66736
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB FLOCK 4H 33
    Time of Closest Approach 2026-09-01T04:40:44+0000
    Collision Probability (Pc) 2.366059E-6
    Conjunction Distance (km) 2.058 km
    Relative Speed (km/s) 12.252 km/s
    Conjunction Risk Parameters R (Radial): -1.735 | I (In-track): -0.654 | C (Cross-track): -0.89
    Collision Risk Index (CRI) 0.42
    X Position (km) -1651.263 -1650.987
    Position Y (km) 354.924 353.738
    Position Z (km) 6661.004 6659.345
    Velocity X (km/s) 6.486 -5.304
    Velocity Y (km/s) 3.736 5.23
    Velocity Z (km/s) 1.392 -1.588

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB FLOCK 4H 33
    Semimajor Axis (a) 6879.242 km 6878.940 km
    Eccentricity (e) 0.001814 0.000337
    Inclination (i) 99.3131° 97.4167°
    RAAN 206.8823° 315.8066°
    Perigee Argument 177.7642° 62.4960°
    Mean Anomaly (M) 182.3672° 297.6618°
    Apogee 513.588 km 503.122 km
    Perigee 488.622 km 498.484 km
    Orbit Epoch 2026-08-31T03:04:58+0000 2026-08-30T23:49:27+0000

    FENGYUN 1C DEB & FLOCK 4H 33 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & FLOCK 4H 33 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & FLOCK 4H 33 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & FLOCK 4H 33 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 33Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 33Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data