Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.660812E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:52:30+0800
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    1 Object 1

    AOE ID 34615
    NORAD ID 34615
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 43277
    NORAD ID 43277
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB YAOGAN-31 C
    Time of Closest Approach 2026-10-28T06:31:36+0000
    Collision Probability (Pc) 8.660812E-7
    Conjunction Distance (km) 2.466 km
    Relative Speed (km/s) 4.158 km/s
    Conjunction Risk Parameters R (Radial): 1.93 | I (In-track): -1.458 | C (Cross-track): -0.475
    Collision Risk Index (CRI) 0.34
    X Position (km) -3557.152 -3555.503
    Position Y (km) 458.226 456.842
    Position Z (km) 6455.071 6453.87
    Velocity X (km/s) 4.586 1.504
    Velocity Y (km/s) -4.806 -7.062
    Velocity Z (km/s) 3.194 1.552

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB YAOGAN-31 C
    Semimajor Axis (a) 7441.022 km 7467.167 km
    Eccentricity (e) 0.039864 0.028719
    Inclination (i) 74.0044° 63.3919°
    RAAN 143.5656° 110.7264°
    Perigee Argument 345.1855° 7.5928°
    Mean Anomaly (M) 167.8803° 352.9308°
    Apogee 1359.512 km 1303.479 km
    Perigee 766.258 km 874.581 km
    Orbit Epoch 2026-10-27T00:48:16+0000 2026-10-27T06:58:09+0000

    COSMOS 2251 DEB & YAOGAN-31 C Collision Probability (Pc) Trend

    COSMOS 2251 DEB & YAOGAN-31 C Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & YAOGAN-31 C Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & YAOGAN-31 C Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-31 CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-31 CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data