Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    9.474553E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-07T01:47:41+0800
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    1 Object 1

    AOE ID 36558
    NORAD ID 36558
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name CHEOPS
    AOE ID 44874
    NORAD ID 44874
    Object Type PAYLOAD
    Country
    ESA ESA

    Conjunction Constraints

    Parameter COSMOS 2251 DEB CHEOPS
    Time of Closest Approach 2026-10-07T10:36:45+0000
    Collision Probability (Pc) 9.474553E-5
    Conjunction Distance (km) 0.675 km
    Relative Speed (km/s) 14.72 km/s
    Conjunction Risk Parameters R (Radial): -0.224 | I (In-track): -0.111 | C (Cross-track): 0.627
    Collision Risk Index (CRI) 0.75
    X Position (km) -70.898 -71.443
    Position Y (km) -2903.259 -2903.461
    Position Z (km) -6455.554 -6455.211
    Velocity X (km/s) 4.903 -2.431
    Velocity Y (km/s) -5.194 6.47
    Velocity Z (km/s) 2.288 -2.89

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB CHEOPS
    Semimajor Axis (a) 7080.938 km 7064.785 km
    Eccentricity (e) 0.001423 0.001172
    Inclination (i) 74.0414° 98.1500°
    RAAN 310.6817° 105.8351°
    Perigee Argument 316.9368° 109.8297°
    Mean Anomaly (M) 43.0682° 250.4169°
    Apogee 712.876 km 694.931 km
    Perigee 692.726 km 678.365 km
    Orbit Epoch 2026-10-06T01:58:57+0000 2026-10-06T02:16:44+0000

    COSMOS 2251 DEB & CHEOPS Collision Probability (Pc) Trend

    COSMOS 2251 DEB & CHEOPS Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & CHEOPS Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & CHEOPS Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CHEOPSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CHEOPSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data