Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.978029E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T22:07:33+0800
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    1 Object 1

    AOE ID 60130
    NORAD ID 60130
    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-31838 UMBRA-11
    Time of Closest Approach 2026-10-21T06:55:39+0000
    Collision Probability (Pc) 9.978029E-7
    Conjunction Distance (km) 2.87 km
    Relative Speed (km/s) 8.005 km/s
    Conjunction Risk Parameters R (Radial): -2.72 | I (In-track): 0.775 | C (Cross-track): -0.482
    Collision Risk Index (CRI) 0.35
    X Position (km) 4941.196 4942.704
    Position Y (km) 1337.358 1337.412
    Position Z (km) -4557.174 -4559.615
    Velocity X (km/s) 1.315 5.16
    Velocity Y (km/s) 6.697 0.034
    Velocity Z (km/s) 3.394 5.606

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31838 UMBRA-11
    Semimajor Axis (a) 6848.845 km 6849.550 km
    Eccentricity (e) 0.000093 0.000137
    Inclination (i) 53.1555° 97.4084°
    RAAN 67.3076° 6.1441°
    Perigee Argument 86.2145° 206.3452°
    Mean Anomaly (M) 273.8963° 153.7720°
    Apogee 471.347 km 472.351 km
    Perigee 470.069 km 470.475 km
    Orbit Epoch 2026-10-19T01:55:48+0000 2026-10-18T22:39:39+0000

    STARLINK-31838 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-31838 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-31838 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-31838 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31838Miss 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-31838Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31838

    No nearby objects data