Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.415002E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T07:28:19+0800
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    1 Object 1

    AOE ID 29966
    NORAD ID 29966
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 43481
    NORAD ID 43481
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 110
    Time of Closest Approach 2026-09-11T02:52:10+0000
    Collision Probability (Pc) 1.415002E-6
    Conjunction Distance (km) 2.414 km
    Relative Speed (km/s) 9.235 km/s
    Conjunction Risk Parameters R (Radial): 0.69 | I (In-track): 1.821 | C (Cross-track): -1.427
    Collision Risk Index (CRI) 0.38
    X Position (km) -454.851 -454.784
    Position Y (km) -1317.552 -1319.698
    Position Z (km) -7028.625 -7027.523
    Velocity X (km/s) -4.687 4.528
    Velocity Y (km/s) 5.755 5.752
    Velocity Z (km/s) -0.762 -1.374

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 110
    Semimajor Axis (a) 7182.729 km 7155.806 km
    Eccentricity (e) 0.003860 0.000228
    Inclination (i) 99.4604° 86.3933°
    RAAN 126.5329° 52.7256°
    Perigee Argument 296.2451° 97.1084°
    Mean Anomaly (M) 63.4761° 263.0371°
    Apogee 832.321 km 779.300 km
    Perigee 776.863 km 776.038 km
    Orbit Epoch 2026-09-09T14:16:25+0000 2026-09-10T12:16:06+0000

    FENGYUN 1C DEB & IRIDIUM 110 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 110 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 110 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 110 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 110Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 110Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data