Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.48133E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T05:56:55+0800
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    1 Object 1

    AOE ID 24836
    NORAD ID 24836
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 28330
    NORAD ID 28330
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 914 DMSP 5D-2 F11 DEB
    Time of Closest Approach 2026-09-15T01:31:45+0000
    Collision Probability (Pc) 4.48133E-6
    Conjunction Distance (km) 1.15 km
    Relative Speed (km/s) 2.083 km/s
    Conjunction Risk Parameters R (Radial): -0.555 | I (In-track): 0.999 | C (Cross-track): -0.126
    Collision Risk Index (CRI) 0.48
    X Position (km) -5453.83 -5454.001
    Position Y (km) 1246.22 1246.306
    Position Z (km) 4416.388 4415.255
    Velocity X (km/s) -4.645 -4.069
    Velocity Y (km/s) 0.448 2.447
    Velocity Z (km/s) -5.846 -5.784

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 914 DMSP 5D-2 F11 DEB
    Semimajor Axis (a) 7132.391 km 7137.401 km
    Eccentricity (e) 0.000320 0.006883
    Inclination (i) 86.3993° 98.9298°
    RAAN 350.1948° 338.3787°
    Perigee Argument 119.6652° 227.2835°
    Mean Anomaly (M) 240.4866° 132.2545°
    Apogee 756.538 km 808.389 km
    Perigee 751.970 km 710.139 km
    Orbit Epoch 2026-09-14T13:12:40+0000 2026-09-13T12:10:35+0000

    IRIDIUM 914 & DMSP 5D-2 F11 DEB Collision Probability (Pc) Trend

    IRIDIUM 914 & DMSP 5D-2 F11 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 914 & DMSP 5D-2 F11 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 914 & DMSP 5D-2 F11 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 914Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DMSP 5D-2 F11 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 914Collision Probability Trend

    Object 1 Probability TrendNot Available

    DMSP 5D-2 F11 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 914

    No nearby objects data