Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.304382E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T21:28:25+0800
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    1 Object 1

    AOE ID 60541
    NORAD ID 60541
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64621
    NORAD ID 64621
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter UMBRA-09 HAWK-12C
    Time of Closest Approach 2026-09-05T18:45:41+0000
    Collision Probability (Pc) 1.304382E-6
    Conjunction Distance (km) 2.64 km
    Relative Speed (km/s) 10.431 km/s
    Conjunction Risk Parameters R (Radial): 1.03 | I (In-track): -1.763 | C (Cross-track): 1.674
    Collision Risk Index (CRI) 0.37
    X Position (km) -1134.097 -1133.297
    Position Y (km) -519.613 -521.92
    Position Z (km) 6771.505 6772.509
    Velocity X (km/s) -6.923 2.474
    Velocity Y (km/s) 3.009 7.124
    Velocity Z (km/s) -0.927 0.954

    Orbital Parameters 国际轨道数据源

    Parameter UMBRA-09 HAWK-12C
    Semimajor Axis (a) 6891.803 km 6887.849 km
    Eccentricity (e) 0.000153 0.001254
    Inclination (i) 97.6872° 97.4394°
    RAAN 336.8407° 248.5908°
    Perigee Argument 288.9526° 221.4050°
    Mean Anomaly (M) 71.1541° 138.6235°
    Apogee 514.724 km 518.348 km
    Perigee 512.608 km 501.076 km
    Orbit Epoch 2026-09-05T04:05:29+0000 2026-09-04T10:46:20+0000

    UMBRA-09 & HAWK-12C Collision Probability (Pc) Trend

    UMBRA-09 & HAWK-12C Collision Probability (Pc) TrendNot Available

    UMBRA-09 & HAWK-12C Miss Distance (Miss Distance) Trend

    UMBRA-09 & HAWK-12C Miss Distance (Miss Distance) TrendNot Available

    UMBRA-09Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HAWK-12CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UMBRA-09Collision Probability Trend

    Object 1 Probability TrendNot Available

    HAWK-12CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UMBRA-09

    No nearby objects data