Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.382852E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:41:49+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) 3.382852E-5
    Conjunction Distance (km) 0.885 km
    Relative Speed (km/s) 11.253 km/s
    Conjunction Risk Parameters R (Radial): -0.879 | I (In-track): 0.055 | C (Cross-track): -0.076
    Collision Risk Index (CRI) 0.66
    X Position (km) 745.892 746.066
    Position Y (km) -820.535 -820.682
    Position Z (km) 7003.887 7004.742
    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) 7101.914 km 7108.880 km
    Eccentricity (e) 0.000824 0.001431
    Inclination (i) 86.3884° 98.6168°
    RAAN 289.2915° 24.4690°
    Perigee Argument 31.8864° 112.8315°
    Mean Anomaly (M) 92.8629° 247.4390°
    Apogee 729.632 km 740.915 km
    Perigee 717.922 km 720.571 km
    Orbit Epoch 2026-09-10T13:31:25+0000 2026-09-10T17:51:20+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