Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.121039E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:36:42+0800
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    1 Object 1

    AOE ID 53981
    NORAD ID 53981
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66228
    NORAD ID 66228
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5149 STARLINK-35731
    Time of Closest Approach 2026-10-21T04:53:48+0000
    Collision Probability (Pc) 4.121039E-7
    Conjunction Distance (km) 2.227 km
    Relative Speed (km/s) 0.425 km/s
    Conjunction Risk Parameters R (Radial): 0.104 | I (In-track): -2.223 | C (Cross-track): 0.065
    Collision Risk Index (CRI) 0.27
    X Position (km) -3984.69 -3984.209
    Position Y (km) 1001.938 1004.11
    Position Z (km) -5476.537 -5476.619
    Velocity X (km/s) -2.026 -1.698
    Velocity Y (km/s) -7.349 -7.431
    Velocity Z (km/s) 0.129 -0.128

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5149 STARLINK-35731
    Semimajor Axis (a) 6840.873 km 6840.879 km
    Eccentricity (e) 0.000117 0.000189
    Inclination (i) 53.1578° 53.1573°
    RAAN 267.1894° 269.6517°
    Perigee Argument 88.8046° 89.2236°
    Mean Anomaly (M) 271.3091° 270.8982°
    Apogee 463.537 km 464.032 km
    Perigee 461.935 km 461.452 km
    Orbit Epoch 2026-10-18T08:29:58+0000 2026-10-18T16:19:43+0000

    STARLINK-5149 & STARLINK-35731 Collision Probability (Pc) Trend

    STARLINK-5149 & STARLINK-35731 Collision Probability (Pc) TrendNot Available

    STARLINK-5149 & STARLINK-35731 Miss Distance (Miss Distance) Trend

    STARLINK-5149 & STARLINK-35731 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5149Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35731Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5149Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35731Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5149

    No nearby objects data