Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.33916E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:48:21+0800
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    1 Object 1

    AOE ID 48765
    NORAD ID 48765
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69928
    NORAD ID 69928
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 17 DEB LEMUR-2-ALYX
    Time of Closest Approach 2026-10-21T14:48:57+0000
    Collision Probability (Pc) 1.33916E-6
    Conjunction Distance (km) 2.941 km
    Relative Speed (km/s) 14.188 km/s
    Conjunction Risk Parameters R (Radial): 2.875 | I (In-track): -0.208 | C (Cross-track): -0.586
    Collision Risk Index (CRI) 0.38
    X Position (km) -2862.164 -2860.934
    Position Y (km) 203.554 204.091
    Position Z (km) 6345.103 6342.486
    Velocity X (km/s) -6.197 6.678
    Velocity Y (km/s) 3.221 2.006
    Velocity Z (km/s) -2.899 2.935

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 17 DEB LEMUR-2-ALYX
    Semimajor Axis (a) 6966.714 km 6967.264 km
    Eccentricity (e) 0.000892 0.000863
    Inclination (i) 98.6883° 97.7463°
    RAAN 333.9265° 191.3803°
    Perigee Argument 246.2121° 164.4485°
    Mean Anomaly (M) 113.8161° 195.7001°
    Apogee 594.790 km 595.139 km
    Perigee 582.364 km 583.115 km
    Orbit Epoch 2026-10-19T14:03:33+0000 2026-10-19T12:38:54+0000

    NOAA 17 DEB & LEMUR-2-ALYX Collision Probability (Pc) Trend

    NOAA 17 DEB & LEMUR-2-ALYX Collision Probability (Pc) TrendNot Available

    NOAA 17 DEB & LEMUR-2-ALYX Miss Distance (Miss Distance) Trend

    NOAA 17 DEB & LEMUR-2-ALYX Miss Distance (Miss Distance) TrendNot Available

    NOAA 17 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2-ALYXMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 17 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-ALYXCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 17 DEB

    No nearby objects data