Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.145597E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-27T20:30:29+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 29832
    NORAD ID 29832
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 55781
    NORAD ID 55781
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-5820
    Time of Closest Approach 2026-09-28T15:40:13+0000
    Collision Probability (Pc) 1.145597E-6
    Conjunction Distance (km) 2.253 km
    Relative Speed (km/s) 5.118 km/s
    Conjunction Risk Parameters R (Radial): 0.393 | I (In-track): -2.095 | C (Cross-track): 0.727
    Collision Risk Index (CRI) 0.36
    X Position (km) -3069.556 -3069.998
    Position Y (km) -4159.681 -4160.814
    Position Z (km) 4641.672 4639.776
    Velocity X (km/s) -4.263 0.13
    Velocity Y (km/s) -3.115 -5.686
    Velocity Z (km/s) -5.528 -5.003

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-5820
    Semimajor Axis (a) 7080.802 km 6950.165 km
    Eccentricity (e) 0.019279 0.000266
    Inclination (i) 98.8525° 69.9988°
    RAAN 43.9714° 77.0932°
    Perigee Argument 123.2790° 264.2028°
    Mean Anomaly (M) 238.7040° 95.8827°
    Apogee 839.175 km 573.879 km
    Perigee 566.155 km 570.177 km
    Orbit Epoch 2026-09-27T04:26:37+0000 2026-09-26T21:24:49+0000

    FENGYUN 1C DEB & STARLINK-5820 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-5820 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-5820 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-5820 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5820Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5820Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data