Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.960282E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T06:33:25+0800
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    1 Object 1

    AOE ID 38012
    NORAD ID 38012
    Object Type PAYLOAD
    Country
    FR FR
    VS

    2 Object 2

    AOE ID 42261
    NORAD ID 42261
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter PLEIADES 1 DMSP 5D-2 F13 DEB
    Time of Closest Approach 2026-09-12T22:36:08+0000
    Collision Probability (Pc) 3.960282E-6
    Conjunction Distance (km) 1.423 km
    Relative Speed (km/s) 5.24 km/s
    Conjunction Risk Parameters R (Radial): 1.423 | I (In-track): 0.016 | C (Cross-track): -0.008
    Collision Risk Index (CRI) 0.47
    X Position (km) -851.437 -851.618
    Position Y (km) -668.912 -669.032
    Position Z (km) 6984.254 6985.66
    Velocity X (km/s) -6.45 -2.459
    Velocity Y (km/s) 3.819 7.116
    Velocity Z (km/s) -0.42 0.384

    Orbital Parameters 国际轨道数据源

    Parameter PLEIADES 1 DMSP 5D-2 F13 DEB
    Semimajor Axis (a) 7075.926 km 7137.718 km
    Eccentricity (e) 0.000111 0.008571
    Inclination (i) 98.1924° 98.3079°
    RAAN 327.5395° 284.1695°
    Perigee Argument 98.4474° 98.6367°
    Mean Anomaly (M) 9.9060° 262.4544°
    Apogee 698.578 km 820.762 km
    Perigee 697.000 km 698.400 km
    Orbit Epoch 2026-09-10T14:41:35+0000 2026-09-08T08:06:55+0000

    PLEIADES 1 & DMSP 5D-2 F13 DEB Collision Probability (Pc) Trend

    PLEIADES 1 & DMSP 5D-2 F13 DEB Collision Probability (Pc) TrendNot Available

    PLEIADES 1 & DMSP 5D-2 F13 DEB Miss Distance (Miss Distance) Trend

    PLEIADES 1 & DMSP 5D-2 F13 DEB Miss Distance (Miss Distance) TrendNot Available

    PLEIADES 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

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

    Object 2 Miss Distance TrendNot Available

    PLEIADES 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PLEIADES 1

    No nearby objects data