Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.963616E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T04:39:16+0800
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    1 Object 1

    AOE ID 21450
    NORAD ID 21450
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67435
    NORAD ID 67435
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB HULIANWANG DIGUI-137
    Time of Closest Approach 2026-10-17T09:23:36+0000
    Collision Probability (Pc) 3.963616E-4
    Conjunction Distance (km) 0.349 km
    Relative Speed (km/s) 13.936 km/s
    Conjunction Risk Parameters R (Radial): 0.187 | I (In-track): -0.077 | C (Cross-track): -0.284
    Collision Risk Index (CRI) 0.87
    X Position (km) 6842.418 6842.579
    Position Y (km) -1449.568 -1449.873
    Position Z (km) -2789.832 -2789.782
    Velocity X (km/s) -2.895 2.944
    Velocity Y (km/s) -0.751 4.521
    Velocity Z (km/s) -6.62 4.881

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB HULIANWANG DIGUI-137
    Semimajor Axis (a) 7504.512 km 7527.423 km
    Eccentricity (e) 0.005945 0.000006
    Inclination (i) 99.8296° 50.0101°
    RAAN 170.8416° 10.5387°
    Perigee Argument 322.5503° 106.3983°
    Mean Anomaly (M) 191.4181° 253.6896°
    Apogee 1170.987 km 1149.331 km
    Perigee 1081.763 km 1149.241 km
    Orbit Epoch 2026-10-16T04:22:53+0000 2026-10-16T13:41:29+0000

    DELTA 1 DEB & HULIANWANG DIGUI-137 Collision Probability (Pc) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-137 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & HULIANWANG DIGUI-137 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-137 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-137Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-137Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data