Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.475755E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T10:47:35+0800
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    1 Object 1

    Name USA 15
    AOE ID 16591
    NORAD ID 16591
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62328
    NORAD ID 62328
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter USA 15 HULIANWANG DIGUI-06
    Time of Closest Approach 2026-10-19T06:54:09+0000
    Collision Probability (Pc) 8.475755E-7
    Conjunction Distance (km) 2.996 km
    Relative Speed (km/s) 6.533 km/s
    Conjunction Risk Parameters R (Radial): 2.649 | I (In-track): -1.312 | C (Cross-track): 0.486
    Collision Risk Index (CRI) 0.34
    X Position (km) -2341.994 -2342.638
    Position Y (km) 3095.39 3097.753
    Position Z (km) -6477.483 -6479.209
    Velocity X (km/s) -3.258 3.038
    Velocity Y (km/s) -5.956 -5.45
    Velocity Z (km/s) -2.039 -3.706

    Orbital Parameters 国际轨道数据源

    Parameter USA 15 HULIANWANG DIGUI-06
    Semimajor Axis (a) 7211.436 km 7546.056 km
    Eccentricity (e) 0.064404 0.000134
    Inclination (i) 63.3050° 86.4918°
    RAAN 257.8052° 302.0584°
    Perigee Argument 115.1720° 97.7767°
    Mean Anomaly (M) 251.7545° 262.3519°
    Apogee 1297.742 km 1168.928 km
    Perigee 368.856 km 1166.910 km
    Orbit Epoch 2026-10-16T15:07:42+0000 2026-10-16T19:40:40+0000

    USA 15 & HULIANWANG DIGUI-06 Collision Probability (Pc) Trend

    USA 15 & HULIANWANG DIGUI-06 Collision Probability (Pc) TrendNot Available

    USA 15 & HULIANWANG DIGUI-06 Miss Distance (Miss Distance) Trend

    USA 15 & HULIANWANG DIGUI-06 Miss Distance (Miss Distance) TrendNot Available

    USA 15Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-06Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 15Collision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-06Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 15

    No nearby objects data