Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.767937E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:41:49+0800
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    1 Object 1

    AOE ID 29078
    NORAD ID 29078
    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 DMSP 5D-2 F11 DEB BNU-1
    Time of Closest Approach 2026-09-12T12:33:32+0000
    Collision Probability (Pc) 1.767937E-6
    Conjunction Distance (km) 1.82 km
    Relative Speed (km/s) 4.614 km/s
    Conjunction Risk Parameters R (Radial): -0.725 | I (In-track): 1.587 | C (Cross-track): 0.516
    Collision Risk Index (CRI) 0.4
    X Position (km) -145.786 -147.453
    Position Y (km) 1117.287 1117.167
    Position Z (km) -7035.674 -7036.393
    Velocity X (km/s) 7.347 6.709
    Velocity Y (km/s) -1.261 3.25
    Velocity Z (km/s) -0.353 0.373

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F11 DEB BNU-1
    Semimajor Axis (a) 7106.302 km 7108.880 km
    Eccentricity (e) 0.001652 0.001431
    Inclination (i) 98.6746° 98.6168°
    RAAN 347.8122° 24.4690°
    Perigee Argument 94.1203° 112.8315°
    Mean Anomaly (M) 266.1878° 247.4390°
    Apogee 739.904 km 740.915 km
    Perigee 716.426 km 720.571 km
    Orbit Epoch 2026-09-10T12:56:03+0000 2026-09-10T17:51:20+0000

    DMSP 5D-2 F11 DEB & BNU-1 Collision Probability (Pc) Trend

    DMSP 5D-2 F11 DEB & BNU-1 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F11 DEB & BNU-1 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F11 DEB & BNU-1 Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F11 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

    DMSP 5D-2 F11 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    BNU-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F11 DEB

    No nearby objects data