Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.694327E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-08T05:28:26+0800
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    1 Object 1

    AOE ID 24842
    NORAD ID 24842
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 31266
    NORAD ID 31266
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 911 FENGYUN 1C DEB
    Time of Closest Approach 2026-09-08T21:20:47+0000
    Collision Probability (Pc) 1.694327E-6
    Conjunction Distance (km) 2.447 km
    Relative Speed (km/s) 13.049 km/s
    Conjunction Risk Parameters R (Radial): -0.17 | I (In-track): 1.193 | C (Cross-track): 2.13
    Collision Risk Index (CRI) 0.4
    X Position (km) 1151.69 1153.346
    Position Y (km) -144.813 -146.548
    Position Z (km) -7028.886 -7028.406
    Velocity X (km/s) 7.112 -2.049
    Velocity Y (km/s) 1.968 -7.222
    Velocity Z (km/s) 1.134 -0.239

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 911 FENGYUN 1C DEB
    Semimajor Axis (a) 7109.758 km 7194.518 km
    Eccentricity (e) 0.001570 0.012884
    Inclination (i) 86.4490° 99.2759°
    RAAN 15.4673° 251.0854°
    Perigee Argument 51.1687° 242.8325°
    Mean Anomaly (M) 309.0916° 180.8829°
    Apogee 742.787 km 909.076 km
    Perigee 720.455 km 723.686 km
    Orbit Epoch 2026-09-07T14:12:49+0000 2026-09-06T05:56:13+0000

    IRIDIUM 911 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    IRIDIUM 911 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 911 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 911 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 911Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 911Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 911

    No nearby objects data