Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.669673E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T19:50:54+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 34449
    NORAD ID 34449
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 55786
    NORAD ID 55786
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-5823
    Time of Closest Approach 2026-09-13T12:38:46+0000
    Collision Probability (Pc) 1.669673E-6
    Conjunction Distance (km) 2.488 km
    Relative Speed (km/s) 13.408 km/s
    Conjunction Risk Parameters R (Radial): 2.333 | I (In-track): 0.411 | C (Cross-track): -0.762
    Collision Risk Index (CRI) 0.39
    X Position (km) -1844.504 -1844.319
    Position Y (km) -4165.551 -4167.269
    Position Z (km) 5195.022 5196.812
    Velocity X (km/s) 4.997 1.626
    Velocity Y (km/s) 3.465 -6.062
    Velocity Z (km/s) 4.536 -4.275

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-5823
    Semimajor Axis (a) 6898.765 km 6915.095 km
    Eccentricity (e) 0.002362 0.000267
    Inclination (i) 74.0307° 69.9994°
    RAAN 230.2104° 94.1583°
    Perigee Argument 221.7325° 282.3622°
    Mean Anomaly (M) 203.8883° 13.6328°
    Apogee 536.921 km 538.808 km
    Perigee 504.335 km 535.108 km
    Orbit Epoch 2026-09-12T00:15:39+0000 2026-09-12T04:00:02+0000

    COSMOS 2251 DEB & STARLINK-5823 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-5823 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-5823 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-5823 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5823Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5823Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data