Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.620015E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T18:25:53+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 62994
    NORAD ID 62994
    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-32899 UMBRA-11
    Time of Closest Approach 2026-09-05T01:10:40+0000
    Collision Probability (Pc) 1.620015E-6
    Conjunction Distance (km) 2.471 km
    Relative Speed (km/s) 12.481 km/s
    Conjunction Risk Parameters R (Radial): 0.407 | I (In-track): 1.388 | C (Cross-track): 2.004
    Collision Risk Index (CRI) 0.39
    X Position (km) -3644.479 -3643.871
    Position Y (km) 3566.888 3568.718
    Position Z (km) -4594.224 -4592.678
    Velocity X (km/s) -5.882 4.508
    Velocity Y (km/s) -4.739 -2.565
    Velocity Z (km/s) 0.988 -5.575

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-32899 UMBRA-11
    Semimajor Axis (a) 6861.217 km 6855.042 km
    Eccentricity (e) 0.000114 0.000301
    Inclination (i) 43.0019° 97.4132°
    RAAN 215.5163° 320.7242°
    Perigee Argument 284.2444° 75.9033°
    Mean Anomaly (M) 75.8281° 284.2541°
    Apogee 483.863 km 478.966 km
    Perigee 482.297 km 474.844 km
    Orbit Epoch 2026-09-04T05:07:19+0000 2026-09-03T10:31:45+0000

    STARLINK-32899 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-32899 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-32899 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-32899 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-32899Miss 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-32899Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-32899

    No nearby objects data