Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.928894E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T10:33:48+0800
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    1 Object 1

    AOE ID 64345
    NORAD ID 64345
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66748
    NORAD ID 66748
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-34426 UMBRA-11
    Time of Closest Approach 2026-10-21T22:36:58+0000
    Collision Probability (Pc) 1.928894E-5
    Conjunction Distance (km) 1.108 km
    Relative Speed (km/s) 15.08 km/s
    Conjunction Risk Parameters R (Radial): 0.083 | I (In-track): -0.157 | C (Cross-track): -1.092
    Collision Risk Index (CRI) 0.61
    X Position (km) 5080.18 5080.306
    Position Y (km) 1396.753 1395.7
    Position Z (km) -4387.27 -4387.588
    Velocity X (km/s) -5.11 4.973
    Velocity Y (km/s) 2.113 0.04
    Velocity Z (km/s) -5.245 5.774

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-34426 UMBRA-11
    Semimajor Axis (a) 6852.669 km 6849.301 km
    Eccentricity (e) 0.000404 0.000155
    Inclination (i) 70.0018° 97.4088°
    RAAN 182.4991° 7.9724°
    Perigee Argument 266.8577° 200.8234°
    Mean Anomaly (M) 93.2136° 159.2945°
    Apogee 477.302 km 472.227 km
    Perigee 471.762 km 470.101 km
    Orbit Epoch 2026-10-20T03:17:37+0000 2026-10-20T18:34:02+0000

    STARLINK-34426 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-34426 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-34426 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-34426 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-34426Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UMBRA-11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-34426Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-34426

    No nearby objects data