Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.851749E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T04:53:00+0800
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    1 Object 1

    AOE ID 31735
    NORAD ID 31735
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43075
    NORAD ID 43075
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 134
    Time of Closest Approach 2026-10-21T22:42:31+0000
    Collision Probability (Pc) 2.851749E-6
    Conjunction Distance (km) 1.969 km
    Relative Speed (km/s) 13.826 km/s
    Conjunction Risk Parameters R (Radial): -1.947 | I (In-track): 0.093 | C (Cross-track): 0.277
    Collision Risk Index (CRI) 0.44
    X Position (km) -428.451 -428.074
    Position Y (km) 1092.292 1091.871
    Position Z (km) -7070.099 -7068.213
    Velocity X (km/s) 5.227 -0.192
    Velocity Y (km/s) 5.253 -7.36
    Velocity Z (km/s) 0.517 -1.126

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 134
    Semimajor Axis (a) 7123.217 km 7155.814 km
    Eccentricity (e) 0.005864 0.000223
    Inclination (i) 98.5935° 86.3915°
    RAAN 45.0628° 269.2508°
    Perigee Argument 66.2809° 87.9696°
    Mean Anomaly (M) 294.4519° 272.1755°
    Apogee 786.855 km 779.275 km
    Perigee 703.305 km 776.079 km
    Orbit Epoch 2026-10-21T06:28:45+0000 2026-10-21T11:26:51+0000

    FENGYUN 1C DEB & IRIDIUM 134 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 134 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 134 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 134 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 134Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 134Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data