Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.371867E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T23:02:40+0800
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    1 Object 1

    AOE ID 3609
    NORAD ID 3609
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 64950
    NORAD ID 64950
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 249 DEB STARLINK-34586
    Time of Closest Approach 2026-09-06T09:15:41+0000
    Collision Probability (Pc) 1.371867E-5
    Conjunction Distance (km) 1.222 km
    Relative Speed (km/s) 15.161 km/s
    Conjunction Risk Parameters R (Radial): 1.045 | I (In-track): -0.139 | C (Cross-track): -0.618
    Collision Risk Index (CRI) 0.58
    X Position (km) -2202.59 -2202.336
    Position Y (km) 6530.94 6532.105
    Position Z (km) -689.699 -689.968
    Velocity X (km/s) -3.335 0.679
    Velocity Y (km/s) -1.546 1.011
    Velocity Z (km/s) -6.906 7.489

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 249 DEB STARLINK-34586
    Semimajor Axis (a) 7390.091 km 6926.181 km
    Eccentricity (e) 0.072670 0.000179
    Inclination (i) 62.2726° 97.2836°
    RAAN 288.7910° 106.4550°
    Perigee Argument 154.0596° 32.0787°
    Mean Anomaly (M) 209.8837° 328.0549°
    Apogee 1548.989 km 549.282 km
    Perigee 474.919 km 546.806 km
    Orbit Epoch 2026-09-05T06:03:00+0000 2026-09-04T20:37:04+0000

    COSMOS 249 DEB & STARLINK-34586 Collision Probability (Pc) Trend

    COSMOS 249 DEB & STARLINK-34586 Collision Probability (Pc) TrendNot Available

    COSMOS 249 DEB & STARLINK-34586 Miss Distance (Miss Distance) Trend

    COSMOS 249 DEB & STARLINK-34586 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 249 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34586Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 249 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34586Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 249 DEB

    No nearby objects data