Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.409734E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T04:57:57+0800
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    1 Object 1

    Name USA 23
    AOE ID 18009
    NORAD ID 18009
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58295
    NORAD ID 58295
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter USA 23 SPACEVAN-001
    Time of Closest Approach 2026-09-17T15:25:39+0000
    Collision Probability (Pc) 3.409734E-6
    Conjunction Distance (km) 1.782 km
    Relative Speed (km/s) 11.924 km/s
    Conjunction Risk Parameters R (Radial): 1.096 | I (In-track): 0.908 | C (Cross-track): -1.072
    Collision Risk Index (CRI) 0.46
    X Position (km) -2938.491 -2939.763
    Position Y (km) -855.97 -857.136
    Position Z (km) 6018.33 6018.772
    Velocity X (km/s) 1.406 -6.919
    Velocity Y (km/s) -7.822 0.257
    Velocity Z (km/s) -0.575 -3.332

    Orbital Parameters 国际轨道数据源

    Parameter USA 23 SPACEVAN-001
    Semimajor Axis (a) 7311.303 km 6764.353 km
    Eccentricity (e) 0.077327 0.000800
    Inclination (i) 63.2923° 97.4003°
    RAAN 104.6247° 359.2918°
    Perigee Argument 107.0554° 98.0987°
    Mean Anomaly (M) 261.6634° 262.1178°
    Apogee 1498.531 km 391.627 km
    Perigee 367.801 km 380.805 km
    Orbit Epoch 2026-09-15T07:42:30+0000 2026-09-15T13:41:15+0000

    USA 23 & SPACEVAN-001 Collision Probability (Pc) Trend

    USA 23 & SPACEVAN-001 Collision Probability (Pc) TrendNot Available

    USA 23 & SPACEVAN-001 Miss Distance (Miss Distance) Trend

    USA 23 & SPACEVAN-001 Miss Distance (Miss Distance) TrendNot Available

    USA 23Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPACEVAN-001Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 23Collision Probability Trend

    Object 1 Probability TrendNot Available

    SPACEVAN-001Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 23

    No nearby objects data