Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.65753E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T06:46:39+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 37968
    NORAD ID 37968
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 64941
    NORAD ID 64941
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-34740
    Time of Closest Approach 2026-09-05T08:50:37+0000
    Collision Probability (Pc) 8.65753E-5
    Conjunction Distance (km) 0.521 km
    Relative Speed (km/s) 4.169 km/s
    Conjunction Risk Parameters R (Radial): 0.36 | I (In-track): 0.364 | C (Cross-track): 0.101
    Collision Risk Index (CRI) 0.74
    X Position (km) -908.644 -908.688
    Position Y (km) 5019.957 5019.961
    Position Z (km) 4679.808 4680.327
    Velocity X (km/s) -1.938 2.187
    Velocity Y (km/s) -5.235 -4.747
    Velocity Z (km/s) 5.142 5.502

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-34740
    Semimajor Axis (a) 6927.867 km 6927.611 km
    Eccentricity (e) 0.007437 0.000143
    Inclination (i) 73.9974° 97.2861°
    RAAN 87.1967° 105.7381°
    Perigee Argument 136.4087° 70.7105°
    Mean Anomaly (M) 224.3013° 289.4277°
    Apogee 601.250 km 550.464 km
    Perigee 498.210 km 548.484 km
    Orbit Epoch 2026-09-04T07:07:44+0000 2026-09-04T00:45:14+0000

    COSMOS 2251 DEB & STARLINK-34740 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-34740 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-34740 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-34740 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34740Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34740Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data