Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.067116E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T15:15:58+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 31158
    NORAD ID 31158
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43076
    NORAD ID 43076
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 137
    Time of Closest Approach 2026-10-28T15:45:45+0000
    Collision Probability (Pc) 2.067116E-6
    Conjunction Distance (km) 2.223 km
    Relative Speed (km/s) 13.151 km/s
    Conjunction Risk Parameters R (Radial): -0.66 | I (In-track): -0.986 | C (Cross-track): 1.879
    Collision Risk Index (CRI) 0.41
    X Position (km) -382.698 -380.933
    Position Y (km) 1041.319 1040.321
    Position Z (km) -7077.89 -7078.8
    Velocity X (km/s) 6.446 -0.537
    Velocity Y (km/s) 3.724 -7.353
    Velocity Z (km/s) 0.164 -1.052

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 137
    Semimajor Axis (a) 7151.049 km 7155.806 km
    Eccentricity (e) 0.004731 0.000240
    Inclination (i) 98.7687° 86.3929°
    RAAN 28.0302° 267.0639°
    Perigee Argument 177.4503° 89.0796°
    Mean Anomaly (M) 182.6932° 271.0674°
    Apogee 806.743 km 779.387 km
    Perigee 739.081 km 775.951 km
    Orbit Epoch 2026-10-26T12:19:26+0000 2026-10-26T22:21:31+0000

    FENGYUN 1C DEB & IRIDIUM 137 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 137 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 137 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 137 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 137Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 137Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data