Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.412808E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:40:32+0800
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    1 Object 1

    AOE ID 49171
    NORAD ID 49171
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60541
    NORAD ID 60541
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3107 UMBRA-09
    Time of Closest Approach 2026-09-11T20:06:03+0000
    Collision Probability (Pc) 6.412808E-6
    Conjunction Distance (km) 1.527 km
    Relative Speed (km/s) 15.117 km/s
    Conjunction Risk Parameters R (Radial): 1.526 | I (In-track): -0.021 | C (Cross-track): -0.068
    Collision Risk Index (CRI) 0.51
    X Position (km) 6368.93 6370.318
    Position Y (km) -2100.386 -2100.918
    Position Z (km) 1603.785 1604.136
    Velocity X (km/s) 2.414 -2.001
    Velocity Y (km/s) 2.019 -0.442
    Velocity Z (km/s) -6.923 7.323

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3107 UMBRA-09
    Semimajor Axis (a) 6893.058 km 6895.695 km
    Eccentricity (e) 0.000683 0.000072
    Inclination (i) 69.9956° 97.6941°
    RAAN 168.3647° 340.5206°
    Perigee Argument 279.9428° 162.2373°
    Mean Anomaly (M) 80.0970° 197.8885°
    Apogee 519.632 km 518.054 km
    Perigee 510.210 km 517.062 km
    Orbit Epoch 2026-09-11T05:07:49+0000 2026-09-08T19:10:49+0000

    STARLINK-3107 & UMBRA-09 Collision Probability (Pc) Trend

    STARLINK-3107 & UMBRA-09 Collision Probability (Pc) TrendNot Available

    STARLINK-3107 & UMBRA-09 Miss Distance (Miss Distance) Trend

    STARLINK-3107 & UMBRA-09 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3107Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UMBRA-09Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3107Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-09Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3107

    No nearby objects data