Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.276148E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T03:29:43+0800
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    1 Object 1

    AOE ID 6844
    NORAD ID 6844
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 63344
    NORAD ID 63344
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 397 DEB YUNYAO-1 43
    Time of Closest Approach 2026-09-08T11:08:59+0000
    Collision Probability (Pc) 5.276148E-6
    Conjunction Distance (km) 1.469 km
    Relative Speed (km/s) 9.405 km/s
    Conjunction Risk Parameters R (Radial): 1.269 | I (In-track): 0.579 | C (Cross-track): 0.462
    Collision Risk Index (CRI) 0.49
    X Position (km) 1737.852 1737.628
    Position Y (km) 2791.995 2792.128
    Position Z (km) 6078.864 6080.31
    Velocity X (km/s) -7.538 -1.594
    Velocity Y (km/s) 0.562 -6.563
    Velocity Z (km/s) 1.923 3.458

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB YUNYAO-1 43
    Semimajor Axis (a) 7320.843 km 6910.307 km
    Eccentricity (e) 0.055070 0.001276
    Inclination (i) 65.8989° 97.6141°
    RAAN 9.9541° 69.2483°
    Perigee Argument 72.4811° 235.9033°
    Mean Anomaly (M) 293.5642° 124.0987°
    Apogee 1345.868 km 540.987 km
    Perigee 539.544 km 523.353 km
    Orbit Epoch 2026-09-05T10:05:15+0000 2026-09-05T06:36:03+0000

    COSMOS 397 DEB & YUNYAO-1 43 Collision Probability (Pc) Trend

    COSMOS 397 DEB & YUNYAO-1 43 Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & YUNYAO-1 43 Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & YUNYAO-1 43 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNYAO-1 43Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNYAO-1 43Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data