Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.524232E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:46:24+0800
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    1 Object 1

    Name USA 3
    AOE ID 15071
    NORAD ID 15071
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63351
    NORAD ID 63351
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 3 LEMUR 2 UNTITLED-SC
    Time of Closest Approach 2026-10-21T18:03:12+0000
    Collision Probability (Pc) 1.524232E-5
    Conjunction Distance (km) 1.166 km
    Relative Speed (km/s) 13.912 km/s
    Conjunction Risk Parameters R (Radial): 1.095 | I (In-track): 0.169 | C (Cross-track): -0.364
    Collision Risk Index (CRI) 0.59
    X Position (km) -858.091 -858.323
    Position Y (km) 1809.591 1809.145
    Position Z (km) 6595.535 6594.484
    Velocity X (km/s) 5.335 0.344
    Velocity Y (km/s) -5.007 7.335
    Velocity Z (km/s) 2.062 -1.977

    Orbital Parameters 国际轨道数据源

    Parameter USA 3 LEMUR 2 UNTITLED-SC
    Semimajor Axis (a) 6898.823 km 6901.444 km
    Eccentricity (e) 0.000218 0.001803
    Inclination (i) 95.8654° 97.5801°
    RAAN 133.8217° 267.5082°
    Perigee Argument 216.1477° 189.6021°
    Mean Anomaly (M) 143.9612° 170.4869°
    Apogee 522.189 km 535.748 km
    Perigee 519.183 km 510.866 km
    Orbit Epoch 2026-10-20T00:30:54+0000 2026-10-19T21:11:00+0000

    USA 3 & LEMUR 2 UNTITLED-SC Collision Probability (Pc) Trend

    USA 3 & LEMUR 2 UNTITLED-SC Collision Probability (Pc) TrendNot Available

    USA 3 & LEMUR 2 UNTITLED-SC Miss Distance (Miss Distance) Trend

    USA 3 & LEMUR 2 UNTITLED-SC Miss Distance (Miss Distance) TrendNot Available

    USA 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 UNTITLED-SCMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 UNTITLED-SCCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 3

    No nearby objects data