Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.445855E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T18:34:00+0800
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    1 Object 1

    AOE ID 30989
    NORAD ID 30989
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 42805
    NORAD ID 42805
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 120
    Time of Closest Approach 2026-10-27T18:36:09+0000
    Collision Probability (Pc) 3.445855E-6
    Conjunction Distance (km) 1.802 km
    Relative Speed (km/s) 12.744 km/s
    Conjunction Risk Parameters R (Radial): -1.271 | I (In-track): 0.664 | C (Cross-track): -1.091
    Collision Risk Index (CRI) 0.46
    X Position (km) -381.126 -382.234
    Position Y (km) 1061.849 1062.76
    Position Z (km) -7074.163 -7075.253
    Velocity X (km/s) 6.868 -0.518
    Velocity Y (km/s) 2.969 -7.351
    Velocity Z (km/s) 0.081 -1.077

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 120
    Semimajor Axis (a) 7219.520 km 7155.805 km
    Eccentricity (e) 0.008788 0.000221
    Inclination (i) 99.0366° 86.3917°
    RAAN 21.8469° 266.8395°
    Perigee Argument 279.6545° 89.2303°
    Mean Anomaly (M) 79.4708° 270.9146°
    Apogee 904.832 km 779.252 km
    Perigee 777.934 km 776.084 km
    Orbit Epoch 2026-10-26T03:59:42+0000 2026-10-26T22:58:03+0000

    FENGYUN 1C DEB & IRIDIUM 120 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 120 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 120 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 120 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 120Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 120Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data