Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.533222E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T13:59:47+0800
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    1 Object 1

    AOE ID 33768
    NORAD ID 33768
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 55803
    NORAD ID 55803
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter COSMOS 2251 DEB ONEWEB-0639
    Time of Closest Approach 2026-09-10T08:07:24+0000
    Collision Probability (Pc) 1.533222E-6
    Conjunction Distance (km) 2.635 km
    Relative Speed (km/s) 13.683 km/s
    Conjunction Risk Parameters R (Radial): 0.773 | I (In-track): 0.827 | C (Cross-track): 2.38
    Collision Risk Index (CRI) 0.39
    X Position (km) 1386.79 1389.002
    Position Y (km) -3499.717 -3498.674
    Position Z (km) 6550.855 6551.834
    Velocity X (km/s) 5.559 -1.825
    Velocity Y (km/s) -3.274 6.037
    Velocity Z (km/s) -3.18 3.603

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB ONEWEB-0639
    Semimajor Axis (a) 7418.777 km 7563.906 km
    Eccentricity (e) 0.036730 0.000253
    Inclination (i) 74.0691° 87.9119°
    RAAN 142.0507° 288.1668°
    Perigee Argument 239.6846° 66.8249°
    Mean Anomaly (M) 126.3155° 293.3150°
    Apogee 1313.134 km 1187.682 km
    Perigee 768.146 km 1183.856 km
    Orbit Epoch 2026-09-09T22:43:57+0000 2026-09-09T13:37:25+0000

    COSMOS 2251 DEB & ONEWEB-0639 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & ONEWEB-0639 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & ONEWEB-0639 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & ONEWEB-0639 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0639Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0639Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data