Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.638406E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T20:56:14+0800
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    1 Object 1

    AOE ID 33647
    NORAD ID 33647
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43927
    NORAD ID 43927
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 172
    Time of Closest Approach 2026-10-31T01:50:41+0000
    Collision Probability (Pc) 1.638406E-6
    Conjunction Distance (km) 2.609 km
    Relative Speed (km/s) 14.911 km/s
    Conjunction Risk Parameters R (Radial): 2.239 | I (In-track): -0.112 | C (Cross-track): 1.335
    Collision Risk Index (CRI) 0.39
    X Position (km) 1011.715 1013.156
    Position Y (km) -2913.634 -2913.834
    Position Z (km) -6464.054 -6466.219
    Velocity X (km/s) -4.47 3.213
    Velocity Y (km/s) 5.278 -5.924
    Velocity Z (km/s) -2.973 3.175

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 172
    Semimajor Axis (a) 7306.045 km 7155.806 km
    Eccentricity (e) 0.024279 0.000212
    Inclination (i) 98.1903° 86.3920°
    RAAN 125.1488° 297.2929°
    Perigee Argument 283.0331° 88.9112°
    Mean Anomaly (M) 74.3830° 271.2327°
    Apogee 1105.295 km 779.189 km
    Perigee 750.521 km 776.149 km
    Orbit Epoch 2026-10-29T07:11:27+0000 2026-10-29T20:00:23+0000

    FENGYUN 1C DEB & IRIDIUM 172 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 172 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 172 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 172 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 172Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 172Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data