Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.431553E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:33:31+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 42679
    NORAD ID 42679
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 39 GAOFEN 3 DEB
    Time of Closest Approach 2026-09-18T12:15:17+0000
    Collision Probability (Pc) 4.431553E-6
    Conjunction Distance (km) 1.628 km
    Relative Speed (km/s) 11.771 km/s
    Conjunction Risk Parameters R (Radial): 0.731 | I (In-track): 0.906 | C (Cross-track): -1.137
    Collision Risk Index (CRI) 0.48
    X Position (km) -1031.023 -1032.28
    Position Y (km) 190.854 191.741
    Position Z (km) 7023.206 7023.736
    Velocity X (km/s) -7.167 -0.134
    Velocity Y (km/s) -1.918 7.488
    Velocity Z (km/s) -1.01 -0.222

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 39 GAOFEN 3 DEB
    Semimajor Axis (a) 7104.298 km 7114.619 km
    Eccentricity (e) 0.001623 0.000798
    Inclination (i) 86.3951° 98.3196°
    RAAN 15.7411° 267.1097°
    Perigee Argument 218.4081° 85.9333°
    Mean Anomaly (M) 141.5969° 274.2771°
    Apogee 737.691 km 742.159 km
    Perigee 714.631 km 730.805 km
    Orbit Epoch 2026-09-15T14:14:08+0000 2026-09-14T06:34:39+0000

    IRIDIUM 39 & GAOFEN 3 DEB Collision Probability (Pc) Trend

    IRIDIUM 39 & GAOFEN 3 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 39 & GAOFEN 3 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 39 & GAOFEN 3 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 39Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GAOFEN 3 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 39Collision Probability Trend

    Object 1 Probability TrendNot Available

    GAOFEN 3 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 39

    No nearby objects data