Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.333842E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:12:30+0800
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    1 Object 1

    AOE ID 64039
    NORAD ID 64039
    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-34089 UMBRA-11
    Time of Closest Approach 2026-10-21T14:28:39+0000
    Collision Probability (Pc) 4.333842E-6
    Conjunction Distance (km) 1.663 km
    Relative Speed (km/s) 12.596 km/s
    Conjunction Risk Parameters R (Radial): 0.829 | I (In-track): -0.813 | C (Cross-track): -1.19
    Collision Risk Index (CRI) 0.48
    X Position (km) -2293.988 -2292.774
    Position Y (km) 494.354 493.279
    Position Z (km) -6442.59 -6442.222
    Velocity X (km/s) -1.53 7.083
    Velocity Y (km/s) -7.461 1.414
    Velocity Z (km/s) -0.028 -2.414

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-34089 UMBRA-11
    Semimajor Axis (a) 6852.801 km 6849.301 km
    Eccentricity (e) 0.000375 0.000155
    Inclination (i) 70.0005° 97.4088°
    RAAN 260.1791° 7.9724°
    Perigee Argument 261.6639° 200.8234°
    Mean Anomaly (M) 98.4111° 159.2945°
    Apogee 477.232 km 472.227 km
    Perigee 472.096 km 470.101 km
    Orbit Epoch 2026-10-20T23:11:05+0000 2026-10-20T18:34:02+0000

    STARLINK-34089 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-34089 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-34089 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-34089 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-34089Miss 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-34089Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-34089

    No nearby objects data