Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.237063E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:36:15+0800
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    1 Object 1

    AOE ID 5553
    NORAD ID 5553
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 8895
    NORAD ID 8895
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 450 COSMOS 831
    Time of Closest Approach 2026-09-11T15:00:33+0000
    Collision Probability (Pc) 1.237063E-6
    Conjunction Distance (km) 2.968 km
    Relative Speed (km/s) 12.593 km/s
    Conjunction Risk Parameters R (Radial): -2.164 | I (In-track): 0.946 | C (Cross-track): -1.797
    Collision Risk Index (CRI) 0.37
    X Position (km) -1582.657 -1580.311
    Position Y (km) -4388.337 -4387.818
    Position Z (km) 6342.819 6341.077
    Velocity X (km/s) 4.825 1.392
    Velocity Y (km/s) 3.638 -5.903
    Velocity Z (km/s) 3.752 -3.715

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 450 COSMOS 831
    Semimajor Axis (a) 7873.309 km 7868.889 km
    Eccentricity (e) 0.004343 0.002070
    Inclination (i) 74.0259° 73.9974°
    RAAN 227.7908° 94.3356°
    Perigee Argument 317.6406° 4.7328°
    Mean Anomaly (M) 53.0331° 67.9876°
    Apogee 1529.365 km 1507.042 km
    Perigee 1460.979 km 1474.462 km
    Orbit Epoch 2026-09-11T05:06:14+0000 2026-09-10T17:30:27+0000

    COSMOS 450 & COSMOS 831 Collision Probability (Pc) Trend

    COSMOS 450 & COSMOS 831 Collision Probability (Pc) TrendNot Available

    COSMOS 450 & COSMOS 831 Miss Distance (Miss Distance) Trend

    COSMOS 450 & COSMOS 831 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 450Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 831Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 450Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 831Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 450

    No nearby objects data