Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.220257E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T13:55:40+0800
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    1 Object 1

    AOE ID 29844
    NORAD ID 29844
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43478
    NORAD ID 43478
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 161
    Time of Closest Approach 2026-10-27T06:33:29+0000
    Collision Probability (Pc) 2.220257E-6
    Conjunction Distance (km) 2.231 km
    Relative Speed (km/s) 14.963 km/s
    Conjunction Risk Parameters R (Radial): 2.183 | I (In-track): -0.026 | C (Cross-track): -0.459
    Collision Risk Index (CRI) 0.42
    X Position (km) -5326.199 -5327.571
    Position Y (km) -3230.725 -3232.091
    Position Z (km) 3451.221 3452.327
    Velocity X (km/s) 2.288 -2.826
    Velocity Y (km/s) 2.943 -2.333
    Velocity Z (km/s) 6.511 -6.523

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 161
    Semimajor Axis (a) 7160.497 km 7125.811 km
    Eccentricity (e) 0.016619 0.000217
    Inclination (i) 98.9233° 86.4521°
    RAAN 215.6523° 33.3418°
    Perigee Argument 318.5793° 91.3722°
    Mean Anomaly (M) 40.2888° 268.7728°
    Apogee 901.362 km 749.222 km
    Perigee 663.358 km 746.126 km
    Orbit Epoch 2026-10-26T17:00:59+0000 2026-10-26T23:12:22+0000

    FENGYUN 1C DEB & IRIDIUM 161 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 161 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 161 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 161 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 161Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 161Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data