Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.607329E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T12:15:27+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) 1.607329E-5
    Conjunction Distance (km) 1.148 km
    Relative Speed (km/s) 13.912 km/s
    Conjunction Risk Parameters R (Radial): -1.113 | I (In-track): -0.101 | C (Cross-track): -0.257
    Collision Risk Index (CRI) 0.59
    X Position (km) -858.202 -858.315
    Position Y (km) 1809.713 1809.306
    Position Z (km) 6595.507 6594.44
    Velocity X (km/s) 5.335 0.344
    Velocity Y (km/s) -5.007 7.335
    Velocity Z (km/s) 2.063 -1.978

    Orbital Parameters 国际轨道数据源

    Parameter USA 3 LEMUR 2 UNTITLED-SC
    Semimajor Axis (a) 6898.840 km 6901.444 km
    Eccentricity (e) 0.000215 0.001803
    Inclination (i) 95.8655° 97.5801°
    RAAN 133.4136° 267.5082°
    Perigee Argument 219.6914° 189.6021°
    Mean Anomaly (M) 140.4165° 170.4869°
    Apogee 522.187 km 535.748 km
    Perigee 519.219 km 510.866 km
    Orbit Epoch 2026-10-19T11:50:03+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