Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.161638E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:57:39+0800
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    1 Object 1

    AOE ID 27881
    NORAD ID 27881
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 47532
    NORAD ID 47532
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 887 DEB YAOGAN-31 D
    Time of Closest Approach 2026-10-28T09:19:07+0000
    Collision Probability (Pc) 2.161638E-5
    Conjunction Distance (km) 1.056 km
    Relative Speed (km/s) 14.007 km/s
    Conjunction Risk Parameters R (Radial): 1.028 | I (In-track): 0.084 | C (Cross-track): 0.229
    Collision Risk Index (CRI) 0.62
    X Position (km) -6605.145 -6606.114
    Position Y (km) 639.886 639.742
    Position Z (km) 3134.836 3135.229
    Velocity X (km/s) -3.216 2.341
    Velocity Y (km/s) -0.693 -3.923
    Velocity Z (km/s) -6.582 5.863

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 887 DEB YAOGAN-31 D
    Semimajor Axis (a) 7314.755 km 7467.158 km
    Eccentricity (e) 0.003921 0.018780
    Inclination (i) 82.9379° 63.4019°
    RAAN 358.1665° 161.9389°
    Perigee Argument 3.6162° 1.0876°
    Mean Anomaly (M) 50.3163° 359.0522°
    Apogee 965.301 km 1229.255 km
    Perigee 907.935 km 948.787 km
    Orbit Epoch 2026-10-27T22:27:15+0000 2026-10-27T22:28:47+0000

    COSMOS 887 DEB & YAOGAN-31 D Collision Probability (Pc) Trend

    COSMOS 887 DEB & YAOGAN-31 D Collision Probability (Pc) TrendNot Available

    COSMOS 887 DEB & YAOGAN-31 D Miss Distance (Miss Distance) Trend

    COSMOS 887 DEB & YAOGAN-31 D Miss Distance (Miss Distance) TrendNot Available

    COSMOS 887 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-31 DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 887 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-31 DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 887 DEB

    No nearby objects data