Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.611803E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T09:38:00+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 61636
    NORAD ID 61636
    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-32405 UMBRA-11
    Time of Closest Approach 2026-09-13T19:27:01+0000
    Collision Probability (Pc) 2.611803E-6
    Conjunction Distance (km) 2.048 km
    Relative Speed (km/s) 14.086 km/s
    Conjunction Risk Parameters R (Radial): -1.836 | I (In-track): 0.333 | C (Cross-track): -0.842
    Collision Risk Index (CRI) 0.43
    X Position (km) -5314.927 -5313.756
    Position Y (km) 3349.578 3347.927
    Position Z (km) -2762.468 -2762.162
    Velocity X (km/s) -4.806 3.137
    Velocity Y (km/s) -4.168 -0.708
    Velocity Z (km/s) 4.198 -6.908

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-32405 UMBRA-11
    Semimajor Axis (a) 6861.202 km 6854.219 km
    Eccentricity (e) 0.000090 0.000243
    Inclination (i) 43.0028° 97.4137°
    RAAN 188.8252° 328.4230°
    Perigee Argument 283.6075° 57.1900°
    Mean Anomaly (M) 76.4676° 302.9574°
    Apogee 483.682 km 477.745 km
    Perigee 482.448 km 474.419 km
    Orbit Epoch 2026-09-11T12:41:01+0000 2026-09-11T03:46:30+0000

    STARLINK-32405 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-32405 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-32405 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-32405 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-32405Miss 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-32405Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-32405

    No nearby objects data