Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.312608E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:59:58+0800
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    1 Object 1

    AOE ID 43766
    NORAD ID 43766
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53637
    NORAD ID 53637
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SPAWAR-CAL-O STARLINK-4396
    Time of Closest Approach 2026-09-05T12:37:59+0000
    Collision Probability (Pc) 1.312608E-5
    Conjunction Distance (km) 1.232 km
    Relative Speed (km/s) 14.772 km/s
    Conjunction Risk Parameters R (Radial): 0.034 | I (In-track): -0.301 | C (Cross-track): -1.193
    Collision Risk Index (CRI) 0.57
    X Position (km) -4709.84 -4709.024
    Position Y (km) 4952.117 4952.919
    Position Z (km) 234.317 234.771
    Velocity X (km/s) 0.529 -3.17
    Velocity Y (km/s) 0.875 -3.314
    Velocity Z (km/s) -7.565 6.109

    Orbital Parameters 国际轨道数据源

    Parameter SPAWAR-CAL-O STARLINK-4396
    Semimajor Axis (a) 6830.637 km 6837.857 km
    Eccentricity (e) 0.000744 0.000120
    Inclination (i) 97.4245° 53.1605°
    RAAN 310.9062° 140.6159°
    Perigee Argument 21.1767° 69.2552°
    Mean Anomaly (M) 338.9784° 290.8579°
    Apogee 457.579 km 460.539 km
    Perigee 447.421 km 458.901 km
    Orbit Epoch 2026-09-03T03:38:40+0000 2026-09-03T16:52:49+0000

    SPAWAR-CAL-O & STARLINK-4396 Collision Probability (Pc) Trend

    SPAWAR-CAL-O & STARLINK-4396 Collision Probability (Pc) TrendNot Available

    SPAWAR-CAL-O & STARLINK-4396 Miss Distance (Miss Distance) Trend

    SPAWAR-CAL-O & STARLINK-4396 Miss Distance (Miss Distance) TrendNot Available

    SPAWAR-CAL-OMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4396Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SPAWAR-CAL-OCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4396Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SPAWAR-CAL-O

    No nearby objects data