Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.823383E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:34:12+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 30520
    NORAD ID 30520
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 53219
    NORAD ID 53219
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-4373
    Time of Closest Approach 2026-10-28T14:01:40+0000
    Collision Probability (Pc) 3.823383E-6
    Conjunction Distance (km) 1.806 km
    Relative Speed (km/s) 15.103 km/s
    Conjunction Risk Parameters R (Radial): -1.671 | I (In-track): 0.089 | C (Cross-track): 0.678
    Collision Risk Index (CRI) 0.47
    X Position (km) 6208.512 6210.105
    Position Y (km) -717.332 -716.828
    Position Z (km) 2782.585 2783.27
    Velocity X (km/s) 2.942 -3.186
    Velocity Y (km/s) -1.613 -0.698
    Velocity Z (km/s) -6.87 6.902

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-4373
    Semimajor Axis (a) 6861.179 km 6843.701 km
    Eccentricity (e) 0.005314 0.000121
    Inclination (i) 98.6951° 97.2843°
    RAAN 167.4857° 355.1968°
    Perigee Argument 103.1298° 99.3864°
    Mean Anomaly (M) 257.5876° 260.7516°
    Apogee 519.506 km 466.396 km
    Perigee 446.578 km 464.732 km
    Orbit Epoch 2026-10-26T20:28:49+0000 2026-10-27T01:54:07+0000

    FENGYUN 1C DEB & STARLINK-4373 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-4373 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-4373 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-4373 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4373Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4373Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data