Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.174339E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T19:40:40+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 40449
    NORAD ID 40449
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 42961
    NORAD ID 42961
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB IRIDIUM 132
    Time of Closest Approach 2026-09-07T13:37:50+0000
    Collision Probability (Pc) 1.174339E-6
    Conjunction Distance (km) 2.767 km
    Relative Speed (km/s) 9.799 km/s
    Conjunction Risk Parameters R (Radial): -2.552 | I (In-track): 0.806 | C (Cross-track): -0.699
    Collision Risk Index (CRI) 0.36
    X Position (km) -1099.333 -1099.051
    Position Y (km) 626.4 625.816
    Position Z (km) 7031.564 7034.254
    Velocity X (km/s) 0.16 -7.282
    Velocity Y (km/s) 7.442 1.098
    Velocity Z (km/s) -0.62 -1.233

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB IRIDIUM 132
    Semimajor Axis (a) 7157.184 km 7155.808 km
    Eccentricity (e) 0.002294 0.000207
    Inclination (i) 98.9220° 86.4025°
    RAAN 268.4174° 351.0645°
    Perigee Argument 26.6191° 94.9530°
    Mean Anomaly (M) 333.6165° 265.1902°
    Apogee 795.468 km 779.151 km
    Perigee 762.626 km 776.191 km
    Orbit Epoch 2026-09-06T12:04:08+0000 2026-09-06T23:46:23+0000

    DMSP 5D-2 F13 DEB & IRIDIUM 132 Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & IRIDIUM 132 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & IRIDIUM 132 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & IRIDIUM 132 Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 132Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 132Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data