Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.067577E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T18:25:52+0800
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    1 Object 1

    AOE ID 56290
    NORAD ID 56290
    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-30103 UMBRA-11
    Time of Closest Approach 2026-09-05T23:07:24+0000
    Collision Probability (Pc) 1.067577E-6
    Conjunction Distance (km) 2.851 km
    Relative Speed (km/s) 8.893 km/s
    Conjunction Risk Parameters R (Radial): 0.593 | I (In-track): 2.265 | C (Cross-track): 1.628
    Collision Risk Index (CRI) 0.36
    X Position (km) -4217.804 -4217.651
    Position Y (km) 3778.701 3780.246
    Position Z (km) -3877.971 -3875.58
    Velocity X (km/s) -3.023 3.955
    Velocity Y (km/s) -6.36 -1.946
    Velocity Z (km/s) -2.91 -6.211

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30103 UMBRA-11
    Semimajor Axis (a) 6861.185 km 6855.042 km
    Eccentricity (e) 0.000162 0.000301
    Inclination (i) 43.0050° 97.4132°
    RAAN 281.0731° 320.7242°
    Perigee Argument 275.8893° 75.9033°
    Mean Anomaly (M) 84.1774° 284.2541°
    Apogee 484.163 km 478.966 km
    Perigee 481.933 km 474.844 km
    Orbit Epoch 2026-09-04T03:43:30+0000 2026-09-03T10:31:45+0000

    STARLINK-30103 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-30103 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-30103 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-30103 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30103Miss 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-30103Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30103

    No nearby objects data