Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.349355E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T01:34:43+0800
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    1 Object 1

    AOE ID 30999
    NORAD ID 30999
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name CSTB 1
    AOE ID 31122
    NORAD ID 31122
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB CSTB 1
    Time of Closest Approach 2026-10-18T19:13:13+0000
    Collision Probability (Pc) 1.349355E-6
    Conjunction Distance (km) 2.966 km
    Relative Speed (km/s) 14.641 km/s
    Conjunction Risk Parameters R (Radial): -2.568 | I (In-track): 0.361 | C (Cross-track): -1.439
    Collision Risk Index (CRI) 0.38
    X Position (km) -2855.179 -2857.362
    Position Y (km) 3512.425 3512.757
    Position Z (km) 5382.203 5384.184
    Velocity X (km/s) 5.002 -2.195
    Velocity Y (km/s) -3.219 5.409
    Velocity Z (km/s) 4.645 -4.742

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB CSTB 1
    Semimajor Axis (a) 7071.258 km 7028.493 km
    Eccentricity (e) 0.011085 0.006257
    Inclination (i) 99.0837° 98.4175°
    RAAN 138.4870° 297.9030°
    Perigee Argument 120.1001° 237.6912°
    Mean Anomaly (M) 241.1241° 121.8225°
    Apogee 771.504 km 694.333 km
    Perigee 614.738 km 606.379 km
    Orbit Epoch 2026-10-17T08:26:54+0000 2026-10-17T18:10:53+0000

    FENGYUN 1C DEB & CSTB 1 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & CSTB 1 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & CSTB 1 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & CSTB 1 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CSTB 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CSTB 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data