Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.50879E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:45:16+0800
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    1 Object 1

    AOE ID 52857
    NORAD ID 52857
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59960
    NORAD ID 59960
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4199 STARLINK-31856
    Time of Closest Approach 2026-09-04T04:41:31+0000
    Collision Probability (Pc) 8.50879E-5
    Conjunction Distance (km) 0.452 km
    Relative Speed (km/s) 2.051 km/s
    Conjunction Risk Parameters R (Radial): 0.289 | I (In-track): 0.345 | C (Cross-track): 0.047
    Collision Risk Index (CRI) 0.74
    X Position (km) 3431.77 3431.721
    Position Y (km) 2308.722 2309.107
    Position Z (km) 5438.834 5439.063
    Velocity X (km/s) -3.548 -4.904
    Velocity Y (km/s) 6.736 5.824
    Velocity Z (km/s) -0.619 0.62

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4199 STARLINK-31856
    Semimajor Axis (a) 6841.406 km 6840.920 km
    Eccentricity (e) 0.000122 0.000100
    Inclination (i) 53.1593° 53.1604°
    RAAN 301.9847° 326.1485°
    Perigee Argument 67.5662° 82.3392°
    Mean Anomaly (M) 292.5470° 277.7723°
    Apogee 464.101 km 463.464 km
    Perigee 462.437 km 462.102 km
    Orbit Epoch 2026-09-02T13:11:36+0000 2026-09-01T12:13:57+0000

    STARLINK-4199 & STARLINK-31856 Collision Probability (Pc) Trend

    STARLINK-4199 & STARLINK-31856 Collision Probability (Pc) TrendNot Available

    STARLINK-4199 & STARLINK-31856 Miss Distance (Miss Distance) Trend

    STARLINK-4199 & STARLINK-31856 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4199Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31856Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4199Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31856Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4199

    No nearby objects data