Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.434143E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:12:30+0800
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    1 Object 1

    AOE ID 64353
    NORAD ID 64353
    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-34431 UMBRA-11
    Time of Closest Approach 2026-10-22T17:24:18+0000
    Collision Probability (Pc) 8.434143E-6
    Conjunction Distance (km) 1.405 km
    Relative Speed (km/s) 15.036 km/s
    Conjunction Risk Parameters R (Radial): 0.648 | I (In-track): 0.2 | C (Cross-track): -1.23
    Collision Risk Index (CRI) 0.54
    X Position (km) 4555.819 4555.454
    Position Y (km) 1447.678 1446.332
    Position Z (km) -4915.977 -4915.808
    Velocity X (km/s) -5.668 5.542
    Velocity Y (km/s) 2.121 0.281
    Velocity Z (km/s) -4.63 5.22

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-34431 UMBRA-11
    Semimajor Axis (a) 6852.666 km 6849.301 km
    Eccentricity (e) 0.000279 0.000155
    Inclination (i) 70.0014° 97.4088°
    RAAN 180.5888° 7.9724°
    Perigee Argument 260.8775° 200.8234°
    Mean Anomaly (M) 99.2085° 159.2945°
    Apogee 476.443 km 472.227 km
    Perigee 472.615 km 470.101 km
    Orbit Epoch 2026-10-20T20:29:01+0000 2026-10-20T18:34:02+0000

    STARLINK-34431 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-34431 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-34431 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-34431 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-34431Miss 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-34431Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-34431

    No nearby objects data