Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.898124E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-31T13:20:44+0800
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    1 Object 1

    AOE ID 42299
    NORAD ID 42299
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 66784
    NORAD ID 66784
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB LEMUR-2-TARTIFLETTE
    Time of Closest Approach 2026-08-31T13:26:37+0000
    Collision Probability (Pc) 1.898124E-6
    Conjunction Distance (km) 1.658 km
    Relative Speed (km/s) 3.397 km/s
    Conjunction Risk Parameters R (Radial): 1.626 | I (In-track): -0.316 | C (Cross-track): -0.073
    Collision Risk Index (CRI) 0.41
    X Position (km) 320.552 320.361
    Position Y (km) 1003.274 1003.695
    Position Z (km) -6862.142 -6863.734
    Velocity X (km/s) 7.01 5.073
    Velocity Y (km/s) -2.843 -5.589
    Velocity Z (km/s) -0.084 -0.584

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB LEMUR-2-TARTIFLETTE
    Semimajor Axis (a) 6933.057 km 6945.853 km
    Eccentricity (e) 0.000621 0.001397
    Inclination (i) 98.6941° 97.5177°
    RAAN 336.8716° 310.8285°
    Perigee Argument 38.1037° 247.5777°
    Mean Anomaly (M) 322.0623° 112.3968°
    Apogee 559.223 km 577.419 km
    Perigee 550.617 km 558.013 km
    Orbit Epoch 2026-08-30T17:05:19+0000 2026-08-30T17:02:50+0000

    DMSP 5D-2 F13 DEB & LEMUR-2-TARTIFLETTE Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & LEMUR-2-TARTIFLETTE Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & LEMUR-2-TARTIFLETTE Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & LEMUR-2-TARTIFLETTE Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    LEMUR-2-TARTIFLETTEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-TARTIFLETTECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data