Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.215595E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:19:09+0800
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    1 Object 1

    AOE ID 47041
    NORAD ID 47041
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 52541
    NORAD ID 52541
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB * STARLINK-3845
    Time of Closest Approach 2026-10-19T21:23:33+0000
    Collision Probability (Pc) 1.215595E-5
    Conjunction Distance (km) 1.258 km
    Relative Speed (km/s) 14.692 km/s
    Conjunction Risk Parameters R (Radial): 1.258 | I (In-track): -0.002 | C (Cross-track): -0.006
    Collision Risk Index (CRI) 0.57
    X Position (km) 6178.097 6176.961
    Position Y (km) -1129.567 -1129.353
    Position Z (km) 2699.476 2698.981
    Velocity X (km/s) -3.153 3.153
    Velocity Y (km/s) -0.631 4.492
    Velocity Z (km/s) 6.925 -5.316

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB * STARLINK-3845
    Semimajor Axis (a) 6832.570 km 6837.845 km
    Eccentricity (e) 0.000835 0.000080
    Inclination (i) 98.2195° 53.1576°
    RAAN 349.8486° 191.9198°
    Perigee Argument 204.9248° 114.5763°
    Mean Anomaly (M) 155.1592° 245.5324°
    Apogee 460.140 km 460.258 km
    Perigee 448.726 km 459.158 km
    Orbit Epoch 2026-10-16T21:26:22+0000 2026-10-19T03:33:23+0000

    FENGYUN 1C DEB * & STARLINK-3845 Collision Probability (Pc) Trend

    FENGYUN 1C DEB * & STARLINK-3845 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB * & STARLINK-3845 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB * & STARLINK-3845 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3845Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3845Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB *

    No nearby objects data