Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.395186E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T10:10:50+0800
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    1 Object 1

    AOE ID 64840
    NORAD ID 64840
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68477
    NORAD ID 68477
    Object Type PAYLOAD
    Country
    DE DE

    Conjunction Constraints

    Parameter LEMUR 2 HUBBLE-5 UNICORN-2R
    Time of Closest Approach 2026-09-07T13:56:09+0000
    Collision Probability (Pc) 1.395186E-6
    Conjunction Distance (km) 2.891 km
    Relative Speed (km/s) 14.661 km/s
    Conjunction Risk Parameters R (Radial): -2.568 | I (In-track): -0.328 | C (Cross-track): 1.284
    Collision Risk Index (CRI) 0.38
    X Position (km) 3767.719 3769.461
    Position Y (km) 1073.59 1072.708
    Position Z (km) -5767.77 -5769.901
    Velocity X (km/s) 6.327 -5.333
    Velocity Y (km/s) -0.089 -3.404
    Velocity Z (km/s) 4.123 -4.123

    Orbital Parameters 国际轨道数据源

    Parameter LEMUR 2 HUBBLE-5 UNICORN-2R
    Semimajor Axis (a) 6962.561 km 6967.097 km
    Eccentricity (e) 0.000688 0.000526
    Inclination (i) 97.7777° 97.7565°
    RAAN 2.5157° 205.5023°
    Perigee Argument 76.0245° 138.3161°
    Mean Anomaly (M) 284.1740° 221.8460°
    Apogee 589.217 km 592.622 km
    Perigee 579.631 km 585.298 km
    Orbit Epoch 2026-09-05T18:47:54+0000 2026-09-05T14:13:48+0000

    LEMUR 2 HUBBLE-5 & UNICORN-2R Collision Probability (Pc) Trend

    LEMUR 2 HUBBLE-5 & UNICORN-2R Collision Probability (Pc) TrendNot Available

    LEMUR 2 HUBBLE-5 & UNICORN-2R Miss Distance (Miss Distance) Trend

    LEMUR 2 HUBBLE-5 & UNICORN-2R Miss Distance (Miss Distance) TrendNot Available

    LEMUR 2 HUBBLE-5Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UNICORN-2RMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LEMUR 2 HUBBLE-5Collision Probability Trend

    Object 1 Probability TrendNot Available

    UNICORN-2RCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LEMUR 2 HUBBLE-5

    No nearby objects data