Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    5.149761E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T12:56:21+0800
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    1 Object 1

    AOE ID 52110
    NORAD ID 52110
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66199
    NORAD ID 66199
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3687 STARLINK-35509
    Time of Closest Approach 2026-09-07T00:14:15+0000
    Collision Probability (Pc) 5.149761E-4
    Conjunction Distance (km) 0.277 km
    Relative Speed (km/s) 11.798 km/s
    Conjunction Risk Parameters R (Radial): -0.241 | I (In-track): 0.082 | C (Cross-track): -0.106
    Collision Risk Index (CRI) 0.89
    X Position (km) 4789.899 4789.818
    Position Y (km) -4347.104 -4346.85
    Position Z (km) -2243.372 -2243.296
    Velocity X (km/s) 4.681 1.826
    Velocity Y (km/s) 2.289 4.881
    Velocity Z (km/s) 5.575 -5.575

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3687 STARLINK-35509
    Semimajor Axis (a) 6843.380 km 6843.300 km
    Eccentricity (e) 0.000064 0.000125
    Inclination (i) 53.1613° 53.1584°
    RAAN 343.4763° 135.9650°
    Perigee Argument 59.8984° 87.6122°
    Mean Anomaly (M) 300.2082° 272.5024°
    Apogee 465.684 km 466.020 km
    Perigee 464.802 km 464.306 km
    Orbit Epoch 2026-09-04T17:35:54+0000 2026-09-04T04:05:55+0000

    STARLINK-3687 & STARLINK-35509 Collision Probability (Pc) Trend

    STARLINK-3687 & STARLINK-35509 Collision Probability (Pc) TrendNot Available

    STARLINK-3687 & STARLINK-35509 Miss Distance (Miss Distance) Trend

    STARLINK-3687 & STARLINK-35509 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3687Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35509Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3687Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35509Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3687

    No nearby objects data