Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    8.247509E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:12:30+0800
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    1 Object 1

    AOE ID 42272
    NORAD ID 42272
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64753
    NORAD ID 64753
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB SHIYAN 28B-01(SY-28B 01)
    Time of Closest Approach 2026-10-21T11:28:01+0000
    Collision Probability (Pc) 8.247509E-4
    Conjunction Distance (km) 0.175 km
    Relative Speed (km/s) 11.548 km/s
    Conjunction Risk Parameters R (Radial): -0.021 | I (In-track): 0.115 | C (Cross-track): -0.13
    Collision Risk Index (CRI) 0.93
    X Position (km) 5889.316 5889.339
    Position Y (km) -3867.073 -3866.955
    Position Z (km) 1331.867 1331.994
    Velocity X (km/s) -1.791 4.142
    Velocity Y (km/s) -0.22 6.196
    Velocity Z (km/s) 7.228 -0.32

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB SHIYAN 28B-01(SY-28B 01)
    Semimajor Axis (a) 7153.084 km 7172.067 km
    Eccentricity (e) 0.002212 0.000368
    Inclination (i) 98.8618° 10.9984°
    RAAN 325.8942° 238.1258°
    Perigee Argument 193.2998° 274.7735°
    Mean Anomaly (M) 166.7606° 85.2073°
    Apogee 790.768 km 796.568 km
    Perigee 759.126 km 791.292 km
    Orbit Epoch 2026-10-19T00:50:54+0000 2026-10-19T05:23:19+0000

    DMSP 5D-2 F13 DEB & SHIYAN 28B-01(SY-28B 01) Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & SHIYAN 28B-01(SY-28B 01) Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & SHIYAN 28B-01(SY-28B 01) Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & SHIYAN 28B-01(SY-28B 01) Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 28B-01(SY-28B 01)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 28B-01(SY-28B 01)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data