Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.317684E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T22:15:30+0800
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    1 Object 1

    AOE ID 34861
    NORAD ID 34861
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 61247
    NORAD ID 61247
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-11305
    Time of Closest Approach 2026-09-12T19:59:44+0000
    Collision Probability (Pc) 7.317684E-7
    Conjunction Distance (km) 2.676 km
    Relative Speed (km/s) 3.826 km/s
    Conjunction Risk Parameters R (Radial): -2.068 | I (In-track): -1.644 | C (Cross-track): 0.422
    Collision Risk Index (CRI) 0.32
    X Position (km) -5339.877 -5337.357
    Position Y (km) 168.818 169.707
    Position Z (km) -4117.986 -4117.827
    Velocity X (km/s) -4.483 -3.246
    Velocity Y (km/s) -2.533 -5.719
    Velocity Z (km/s) 5.695 3.976

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-11305
    Semimajor Axis (a) 6738.679 km 6737.891 km
    Eccentricity (e) 0.002060 0.000193
    Inclination (i) 73.9875° 53.1551°
    RAAN 197.1710° 230.7313°
    Perigee Argument 193.5984° 92.4182°
    Mean Anomaly (M) 178.3675° 267.7057°
    Apogee 374.428 km 361.054 km
    Perigee 346.656 km 358.454 km
    Orbit Epoch 2026-09-10T02:29:19+0000 2026-09-09T08:09:47+0000

    COSMOS 2251 DEB & STARLINK-11305 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-11305 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-11305 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-11305 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11305Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11305Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data