Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.118889E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T00:19:10+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 31218
    NORAD ID 31218
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 62902
    NORAD ID 62902
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter FENGYUN 1C DEB COSMOS 2581
    Time of Closest Approach 2026-09-13T14:42:07+0000
    Collision Probability (Pc) 2.118889E-6
    Conjunction Distance (km) 1.896 km
    Relative Speed (km/s) 7.382 km/s
    Conjunction Risk Parameters R (Radial): 1.707 | I (In-track): -0.721 | C (Cross-track): -0.402
    Collision Risk Index (CRI) 0.42
    X Position (km) -2053.156 -2054.428
    Position Y (km) -392.674 -392.943
    Position Z (km) -6650.33 -6651.71
    Velocity X (km/s) 5.349 6.92
    Velocity Y (km/s) 4.968 -2.244
    Velocity Z (km/s) -1.947 -2.011

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB COSMOS 2581
    Semimajor Axis (a) 6970.676 km 6959.998 km
    Eccentricity (e) 0.000968 0.001127
    Inclination (i) 98.8405° 81.9991°
    RAAN 38.9507° 346.1494°
    Perigee Argument 246.1293° 125.6177°
    Mean Anomaly (M) 113.8909° 234.6094°
    Apogee 599.285 km 589.706 km
    Perigee 585.793 km 574.016 km
    Orbit Epoch 2026-09-12T05:22:01+0000 2026-09-11T18:12:08+0000

    FENGYUN 1C DEB & COSMOS 2581 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & COSMOS 2581 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & COSMOS 2581 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & COSMOS 2581 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2581Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2581Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data