Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.481919E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T16:46:10+0800
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    1 Object 1

    AOE ID 55939
    NORAD ID 55939
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64122
    NORAD ID 64122
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5918 STARLINK-33991
    Time of Closest Approach 2026-10-18T14:12:48+0000
    Collision Probability (Pc) 1.481919E-6
    Conjunction Distance (km) 1.712 km
    Relative Speed (km/s) 2.576 km/s
    Conjunction Risk Parameters R (Radial): -0.036 | I (In-track): 1.688 | C (Cross-track): -0.286
    Collision Risk Index (CRI) 0.38
    X Position (km) 65.104 64.201
    Position Y (km) -6166.233 -6166.907
    Position Z (km) -2989.77 -2988.482
    Velocity X (km/s) 2.865 5.054
    Velocity Y (km/s) 3.106 2.528
    Velocity Z (km/s) -6.348 -5.12

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5918 STARLINK-33991
    Semimajor Axis (a) 6851.210 km 6848.802 km
    Eccentricity (e) 0.000315 0.000251
    Inclination (i) 70.0010° 53.1577°
    RAAN 81.5625° 74.9419°
    Perigee Argument 273.0971° 83.9698°
    Mean Anomaly (M) 109.3125° 276.1589°
    Apogee 475.228 km 472.381 km
    Perigee 470.918 km 468.949 km
    Orbit Epoch 2026-10-18T04:00:02+0000 2026-10-17T09:06:03+0000

    STARLINK-5918 & STARLINK-33991 Collision Probability (Pc) Trend

    STARLINK-5918 & STARLINK-33991 Collision Probability (Pc) TrendNot Available

    STARLINK-5918 & STARLINK-33991 Miss Distance (Miss Distance) Trend

    STARLINK-5918 & STARLINK-33991 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5918Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33991Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5918Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33991Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5918

    No nearby objects data