Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.255998E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:39:29+0800
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    1 Object 1

    AOE ID 58090
    NORAD ID 58090
    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-30590 UMBRA-11
    Time of Closest Approach 2026-09-03T14:31:25+0000
    Collision Probability (Pc) 1.255998E-5
    Conjunction Distance (km) 1.238 km
    Relative Speed (km/s) 14.242 km/s
    Conjunction Risk Parameters R (Radial): 0.686 | I (In-track): -0.366 | C (Cross-track): -0.962
    Collision Risk Index (CRI) 0.57
    X Position (km) -4956.045 -4956.044
    Position Y (km) 4349.004 4347.8
    Position Z (km) -1899.39 -1899.674
    Velocity X (km/s) -4.853 2.241
    Velocity Y (km/s) -3.459 -0.605
    Velocity Z (km/s) 4.755 -7.259

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30590 UMBRA-11
    Semimajor Axis (a) 6861.214 km 6855.159 km
    Eccentricity (e) 0.000176 0.000311
    Inclination (i) 43.0067° 97.4134°
    RAAN 166.6838° 319.4852°
    Perigee Argument 293.6914° 79.2108°
    Mean Anomaly (M) 66.3753° 280.9482°
    Apogee 484.283 km 479.152 km
    Perigee 481.871 km 474.892 km
    Orbit Epoch 2026-09-01T20:15:27+0000 2026-09-02T04:41:55+0000

    STARLINK-30590 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-30590 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-30590 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-30590 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30590Miss 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-30590Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30590

    No nearby objects data