Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.054285E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T20:30:40+0800
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    1 Object 1

    AOE ID 47015
    NORAD ID 47015
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57231
    NORAD ID 57231
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB * STARLINK-5840
    Time of Closest Approach 2026-09-10T12:33:29+0000
    Collision Probability (Pc) 3.054285E-6
    Conjunction Distance (km) 1.822 km
    Relative Speed (km/s) 11.086 km/s
    Conjunction Risk Parameters R (Radial): 1.459 | I (In-track): 0.757 | C (Cross-track): 0.787
    Collision Risk Index (CRI) 0.45
    X Position (km) 5007.411 5005.648
    Position Y (km) -873.826 -874.154
    Position Z (km) -4613.978 -4613.66
    Velocity X (km/s) 4.706 2.072
    Velocity Y (km/s) -2.41 7.279
    Velocity Z (km/s) 5.566 0.869

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB * STARLINK-5840
    Semimajor Axis (a) 6971.474 km 6861.169 km
    Eccentricity (e) 0.016236 0.000161
    Inclination (i) 98.6843° 43.0052°
    RAAN 341.0271° 70.2836°
    Perigee Argument 319.7157° 272.6870°
    Mean Anomaly (M) 39.2119° 87.3798°
    Apogee 706.524 km 484.136 km
    Perigee 480.150 km 481.928 km
    Orbit Epoch 2026-09-09T12:35:35+0000 2026-09-09T22:47:08+0000

    FENGYUN 1C DEB * & STARLINK-5840 Collision Probability (Pc) Trend

    FENGYUN 1C DEB * & STARLINK-5840 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB * & STARLINK-5840 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB * & STARLINK-5840 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5840Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5840Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB *

    No nearby objects data