Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.095418E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T21:33:05+0800
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    1 Object 1

    AOE ID 33811
    NORAD ID 33811
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 59137
    NORAD ID 59137
    Object Type PAYLOAD
    Country
    BE BE

    Conjunction Constraints

    Parameter COSMOS 2251 DEB VSP RF B1
    Time of Closest Approach 2026-09-06T17:46:34+0000
    Collision Probability (Pc) 1.095418E-6
    Conjunction Distance (km) 2.877 km
    Relative Speed (km/s) 9.501 km/s
    Conjunction Risk Parameters R (Radial): -1.968 | I (In-track): 1.641 | C (Cross-track): -1.307
    Collision Risk Index (CRI) 0.36
    X Position (km) -1545.851 -1546.22
    Position Y (km) -1772.636 -1773.936
    Position Z (km) 6455.248 6452.708
    Velocity X (km/s) 1.947 -6.55
    Velocity Y (km/s) -7.213 -3.054
    Velocity Z (km/s) -1.524 -2.403

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB VSP RF B1
    Semimajor Axis (a) 6895.252 km 6875.976 km
    Eccentricity (e) 0.003005 0.000164
    Inclination (i) 73.8259° 97.5723°
    RAAN 107.3999° 25.0597°
    Perigee Argument 140.5846° 70.5072°
    Mean Anomaly (M) 19.5417° 289.6341°
    Apogee 537.833 km 498.964 km
    Perigee 496.397 km 496.714 km
    Orbit Epoch 2026-09-04T01:06:34+0000 2026-09-04T06:56:42+0000

    COSMOS 2251 DEB & VSP RF B1 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & VSP RF B1 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & VSP RF B1 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & VSP RF B1 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    VSP RF B1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    VSP RF B1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data