Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.581591E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T17:17:39+0800
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    1 Object 1

    AOE ID 4254
    NORAD ID 4254
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 13776
    NORAD ID 13776
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 312 COSMOS 397 DEB *
    Time of Closest Approach 2026-09-15T01:22:38+0000
    Collision Probability (Pc) 1.581591E-6
    Conjunction Distance (km) 1.971 km
    Relative Speed (km/s) 5.358 km/s
    Conjunction Risk Parameters R (Radial): -1.829 | I (In-track): 0.709 | C (Cross-track): 0.177
    Collision Risk Index (CRI) 0.39
    X Position (km) -2864.423 -2863.615
    Position Y (km) 1175.83 1174.843
    Position Z (km) -6877.688 -6876.186
    Velocity X (km/s) 2.686 -2.135
    Velocity Y (km/s) -6.369 -6.864
    Velocity Z (km/s) -2.226 0.058

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 312 COSMOS 397 DEB *
    Semimajor Axis (a) 7535.428 km 7384.079 km
    Eccentricity (e) 0.002257 0.047780
    Inclination (i) 74.0207° 65.8545°
    RAAN 299.6101° 257.0892°
    Perigee Argument 162.1756° 26.6109°
    Mean Anomaly (M) 226.8413° 50.0583°
    Apogee 1174.296 km 1358.755 km
    Perigee 1140.286 km 653.129 km
    Orbit Epoch 2026-09-14T02:33:12+0000 2026-09-13T04:33:51+0000

    COSMOS 312 & COSMOS 397 DEB * Collision Probability (Pc) Trend

    COSMOS 312 & COSMOS 397 DEB * Collision Probability (Pc) TrendNot Available

    COSMOS 312 & COSMOS 397 DEB * Miss Distance (Miss Distance) Trend

    COSMOS 312 & COSMOS 397 DEB * Miss Distance (Miss Distance) TrendNot Available

    COSMOS 312Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 397 DEB *Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 312Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 397 DEB *Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 312

    No nearby objects data