Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.303974E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T17:22:59+0800
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    1 Object 1

    AOE ID 66748
    NORAD ID 66748
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69983
    NORAD ID 69983
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter UMBRA-11 STARLINK-38077
    Time of Closest Approach 2026-10-23T13:32:01+0000
    Collision Probability (Pc) 1.303974E-6
    Conjunction Distance (km) 2.941 km
    Relative Speed (km/s) 13.534 km/s
    Conjunction Risk Parameters R (Radial): 2.904 | I (In-track): 0.216 | C (Cross-track): 0.408
    Collision Risk Index (CRI) 0.37
    X Position (km) -1839.018 -1838.358
    Position Y (km) 522.571 521.905
    Position Z (km) -6583.634 -6580.848
    Velocity X (km/s) 7.199 -5.32
    Velocity Y (km/s) 1.617 5.111
    Velocity Z (km/s) -1.884 1.891

    Orbital Parameters 国际轨道数据源

    Parameter UMBRA-11 STARLINK-38077
    Semimajor Axis (a) 6848.910 km 6843.615 km
    Eccentricity (e) 0.000161 0.000287
    Inclination (i) 97.4094° 97.2821°
    RAAN 10.1274° 137.0088°
    Perigee Argument 195.6833° 117.8701°
    Mean Anomaly (M) 164.4359° 242.2832°
    Apogee 471.877 km 467.442 km
    Perigee 469.669 km 463.514 km
    Orbit Epoch 2026-10-22T22:18:38+0000 2026-10-22T12:48:21+0000

    UMBRA-11 & STARLINK-38077 Collision Probability (Pc) Trend

    UMBRA-11 & STARLINK-38077 Collision Probability (Pc) TrendNot Available

    UMBRA-11 & STARLINK-38077 Miss Distance (Miss Distance) Trend

    UMBRA-11 & STARLINK-38077 Miss Distance (Miss Distance) TrendNot Available

    UMBRA-11Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-38077Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-38077Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UMBRA-11

    No nearby objects data