Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.59655E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T05:46:22+0800
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    1 Object 1

    AOE ID 25042
    NORAD ID 25042
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 35204
    NORAD ID 35204
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 39 FENGYUN 1C DEB
    Time of Closest Approach 2026-09-12T18:41:46+0000
    Collision Probability (Pc) 1.59655E-6
    Conjunction Distance (km) 2.376 km
    Relative Speed (km/s) 10.762 km/s
    Conjunction Risk Parameters R (Radial): -1.554 | I (In-track): 1.253 | C (Cross-track): 1.288
    Collision Risk Index (CRI) 0.39
    X Position (km) 923.244 922.229
    Position Y (km) 743.241 741.5
    Position Z (km) 7006.996 7005.738
    Velocity X (km/s) -7.093 2.419
    Velocity Y (km/s) -2.086 -7.065
    Velocity Z (km/s) 1.147 0.41

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 39 FENGYUN 1C DEB
    Semimajor Axis (a) 7104.311 km 7095.685 km
    Eccentricity (e) 0.001577 0.003423
    Inclination (i) 86.3944° 98.9906°
    RAAN 17.8731° 104.7960°
    Perigee Argument 236.6878° 230.8317°
    Mean Anomaly (M) 123.2816° 252.9118°
    Apogee 737.381 km 741.835 km
    Perigee 714.967 km 693.261 km
    Orbit Epoch 2026-09-10T14:58:24+0000 2026-09-09T09:51:16+0000

    IRIDIUM 39 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    IRIDIUM 39 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 39 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 39 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 39Miss 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 39Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 39

    No nearby objects data