Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.171159E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-08T06:26:41+0800
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    1 Object 1

    AOE ID 40491
    NORAD ID 40491
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 41187
    NORAD ID 41187
    Object Type PAYLOAD
    Country
    ORB ORB

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB ORBCOMM FM 108
    Time of Closest Approach 2026-09-08T01:03:46+0000
    Collision Probability (Pc) 2.171159E-6
    Conjunction Distance (km) 2.221 km
    Relative Speed (km/s) 14.21 km/s
    Conjunction Risk Parameters R (Radial): 1.437 | I (In-track): -0.54 | C (Cross-track): -1.604
    Collision Risk Index (CRI) 0.42
    X Position (km) 4213.428 4213.539
    Position Y (km) -5093.621 -5091.416
    Position Z (km) 2515.929 2516.166
    Velocity X (km/s) -2.603 5.39
    Velocity Y (km/s) 1.273 2.082
    Velocity Z (km/s) 6.92 -4.799

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB ORBCOMM FM 108
    Semimajor Axis (a) 7061.050 km 7074.636 km
    Eccentricity (e) 0.001779 0.000238
    Inclination (i) 98.5606° 47.0044°
    RAAN 310.8937° 153.1444°
    Perigee Argument 222.3269° 231.4893°
    Mean Anomaly (M) 137.6560° 128.5780°
    Apogee 695.472 km 698.186 km
    Perigee 670.354 km 694.812 km
    Orbit Epoch 2026-09-06T03:00:45+0000 2026-09-07T11:13:35+0000

    DMSP 5D-2 F13 DEB & ORBCOMM FM 108 Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & ORBCOMM FM 108 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & ORBCOMM FM 108 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & ORBCOMM FM 108 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    ORBCOMM FM 108Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ORBCOMM FM 108Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data