Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.396001E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:00:30+0800
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    1 Object 1

    AOE ID 55778
    NORAD ID 55778
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66782
    NORAD ID 66782
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5816 LEMUR-2-FINNIAN
    Time of Closest Approach 2026-09-05T02:10:18+0000
    Collision Probability (Pc) 1.396001E-4
    Conjunction Distance (km) 0.589 km
    Relative Speed (km/s) 15.037 km/s
    Conjunction Risk Parameters R (Radial): 0.36 | I (In-track): 0.05 | C (Cross-track): 0.463
    Collision Risk Index (CRI) 0.78
    X Position (km) 4976.521 4977.102
    Position Y (km) -4289.738 -4289.646
    Position Z (km) -2278.198 -2278.201
    Velocity X (km/s) 0.04 1.172
    Velocity Y (km/s) 3.583 -2.394
    Velocity Z (km/s) -6.67 7.081

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5816 LEMUR-2-FINNIAN
    Semimajor Axis (a) 6950.180 km 6942.241 km
    Eccentricity (e) 0.000268 0.001017
    Inclination (i) 70.0004° 97.5277°
    RAAN 138.6387° 313.2601°
    Perigee Argument 270.7510° 182.4120°
    Mean Anomaly (M) 89.3342° 177.7057°
    Apogee 573.904 km 571.161 km
    Perigee 570.182 km 557.047 km
    Orbit Epoch 2026-09-02T10:47:37+0000 2026-09-01T15:03:22+0000

    STARLINK-5816 & LEMUR-2-FINNIAN Collision Probability (Pc) Trend

    STARLINK-5816 & LEMUR-2-FINNIAN Collision Probability (Pc) TrendNot Available

    STARLINK-5816 & LEMUR-2-FINNIAN Miss Distance (Miss Distance) Trend

    STARLINK-5816 & LEMUR-2-FINNIAN Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5816Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2-FINNIANMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5816Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-FINNIANCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5816

    No nearby objects data