Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.130393E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:19:57+0800
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    1 Object 1

    AOE ID 53780
    NORAD ID 53780
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57203
    NORAD ID 57203
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-4678 OBJECT AP
    Time of Closest Approach 2026-09-05T09:23:54+0000
    Collision Probability (Pc) 2.130393E-4
    Conjunction Distance (km) 0.482 km
    Relative Speed (km/s) 13.7 km/s
    Conjunction Risk Parameters R (Radial): -0.219 | I (In-track): 0.179 | C (Cross-track): 0.39
    Collision Risk Index (CRI) 0.82
    X Position (km) -2858.954 -2858.889
    Position Y (km) 3602.088 3602.565
    Position Z (km) -5075.099 -5075.093
    Velocity X (km/s) -6.912 4.602
    Velocity Y (km/s) -2.244 -3.415
    Velocity Z (km/s) 2.303 -5.027

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4678 OBJECT AP
    Semimajor Axis (a) 6843.355 km 6842.792 km
    Eccentricity (e) 0.000117 0.000833
    Inclination (i) 53.1613° 97.5013°
    RAAN 199.4240° 313.9713°
    Perigee Argument 76.2176° 153.8272°
    Mean Anomaly (M) 283.8956° 206.3393°
    Apogee 466.019 km 470.356 km
    Perigee 464.417 km 458.954 km
    Orbit Epoch 2026-09-02T03:29:17+0000 2026-09-02T14:38:38+0000

    STARLINK-4678 & OBJECT AP Collision Probability (Pc) Trend

    STARLINK-4678 & OBJECT AP Collision Probability (Pc) TrendNot Available

    STARLINK-4678 & OBJECT AP Miss Distance (Miss Distance) Trend

    STARLINK-4678 & OBJECT AP Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT APMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4678Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT APCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4678

    No nearby objects data