Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.649148E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T03:18:45+0800
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    1 Object 1

    AOE ID 35073
    NORAD ID 35073
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 65238
    NORAD ID 65238
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-34818
    Time of Closest Approach 2026-09-12T21:51:15+0000
    Collision Probability (Pc) 1.649148E-6
    Conjunction Distance (km) 2.618 km
    Relative Speed (km/s) 15.223 km/s
    Conjunction Risk Parameters R (Radial): 1.833 | I (In-track): 0.154 | C (Cross-track): -1.863
    Collision Risk Index (CRI) 0.39
    X Position (km) 2404.717 2402.443
    Position Y (km) -5864.937 -5864.2
    Position Z (km) 2583.95 2582.882
    Velocity X (km/s) 3.153 -2.052
    Velocity Y (km/s) -1.69 2.255
    Velocity Z (km/s) -6.751 6.999

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-34818
    Semimajor Axis (a) 6858.801 km 6843.655 km
    Eccentricity (e) 0.001848 0.000149
    Inclination (i) 73.9811° 97.2818°
    RAAN 122.4261° 294.4255°
    Perigee Argument 169.7050° 112.7337°
    Mean Anomaly (M) 190.4534° 247.4064°
    Apogee 493.338 km 466.538 km
    Perigee 467.990 km 464.498 km
    Orbit Epoch 2026-09-11T07:28:11+0000 2026-09-12T01:23:52+0000

    COSMOS 2251 DEB & STARLINK-34818 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-34818 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-34818 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-34818 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data