Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.875324E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:52:06+0800
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    1 Object 1

    AOE ID 59157
    NORAD ID 59157
    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-31334 UMBRA-11
    Time of Closest Approach 2026-10-29T21:23:59+0000
    Collision Probability (Pc) 1.875324E-6
    Conjunction Distance (km) 2.37 km
    Relative Speed (km/s) 13.963 km/s
    Conjunction Risk Parameters R (Radial): -1.203 | I (In-track): -0.834 | C (Cross-track): 1.864
    Collision Risk Index (CRI) 0.4
    X Position (km) -5893.541 -5893.392
    Position Y (km) -1375.782 -1373.965
    Position Z (km) -3217.599 -3216.085
    Velocity X (km/s) -0.516 3.19
    Velocity Y (km/s) -6.611 1.887
    Velocity Z (km/s) 3.776 -6.664

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31334 UMBRA-11
    Semimajor Axis (a) 6860.896 km 6848.418 km
    Eccentricity (e) 0.001366 0.000199
    Inclination (i) 43.0012° 97.4083°
    RAAN 243.0288° 14.3729°
    Perigee Argument 296.1151° 181.5382°
    Mean Anomaly (M) 63.8295° 178.5854°
    Apogee 492.134 km 471.644 km
    Perigee 473.384 km 468.918 km
    Orbit Epoch 2026-10-27T05:15:10+0000 2026-10-27T04:13:07+0000

    STARLINK-31334 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-31334 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-31334 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-31334 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31334Miss 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-31334Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31334

    No nearby objects data