Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.526558E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:37:56+0800
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    1 Object 1

    AOE ID 33966
    NORAD ID 33966
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    Name BNU-1
    AOE ID 44529
    NORAD ID 44529
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB BNU-1
    Time of Closest Approach 2026-09-11T19:07:33+0000
    Collision Probability (Pc) 2.526558E-5
    Conjunction Distance (km) 0.965 km
    Relative Speed (km/s) 11.252 km/s
    Conjunction Risk Parameters R (Radial): 0.882 | I (In-track): -0.263 | C (Cross-track): -0.291
    Collision Risk Index (CRI) 0.63
    X Position (km) 745.823 746.272
    Position Y (km) -820.327 -820.582
    Position Z (km) 7003.92 7004.734
    Velocity X (km/s) -2.322 -6.738
    Velocity Y (km/s) 7.047 -3.275
    Velocity Z (km/s) 1.076 0.329

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB BNU-1
    Semimajor Axis (a) 7101.913 km 7108.881 km
    Eccentricity (e) 0.000824 0.001432
    Inclination (i) 86.3884° 98.6168°
    RAAN 289.2618° 24.6802°
    Perigee Argument 31.6807° 112.2739°
    Mean Anomaly (M) 93.2695° 247.9973°
    Apogee 729.626 km 740.921 km
    Perigee 717.926 km 720.567 km
    Orbit Epoch 2026-09-10T15:10:48+0000 2026-09-10T22:49:46+0000

    IRIDIUM 33 DEB & BNU-1 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & BNU-1 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & BNU-1 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & BNU-1 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    BNU-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    BNU-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data