Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.307736E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:06:36+0800
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    1 Object 1

    AOE ID 36415
    NORAD ID 36415
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 37486
    NORAD ID 37486
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter YAOGAN 9C COSMOS 2251 DEB
    Time of Closest Approach 2026-09-12T10:10:03+0000
    Collision Probability (Pc) 1.307736E-6
    Conjunction Distance (km) 2.969 km
    Relative Speed (km/s) 13.883 km/s
    Conjunction Risk Parameters R (Radial): 1.987 | I (In-track): -0.927 | C (Cross-track): 2.002
    Collision Risk Index (CRI) 0.37
    X Position (km) -5274.312 -5274.569
    Position Y (km) 3160.227 3162.937
    Position Z (km) 3475.727 3476.909
    Velocity X (km/s) 0.696 -4.261
    Velocity Y (km/s) -5.047 -0.298
    Velocity Z (km/s) 5.791 -6.275

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 9C COSMOS 2251 DEB
    Semimajor Axis (a) 7466.166 km 7217.335 km
    Eccentricity (e) 0.054635 0.021832
    Inclination (i) 63.3637° 73.6945°
    RAAN 136.8371° 342.0852°
    Perigee Argument 21.9135° 170.5280°
    Mean Anomaly (M) 340.4313° 204.0143°
    Apogee 1495.946 km 996.766 km
    Perigee 680.112 km 681.630 km
    Orbit Epoch 2026-09-10T18:47:03+0000 2026-09-10T11:44:52+0000

    YAOGAN 9C & COSMOS 2251 DEB Collision Probability (Pc) Trend

    YAOGAN 9C & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    YAOGAN 9C & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    YAOGAN 9C & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 9CMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 9CCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 9C

    No nearby objects data