Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.359982E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:55:50+0800
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    1 Object 1

    AOE ID 53819
    NORAD ID 53819
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53985
    NORAD ID 53985
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4738 STARLINK-5147
    Time of Closest Approach 2026-10-28T06:18:42+0000
    Collision Probability (Pc) 8.359982E-6
    Conjunction Distance (km) 1.216 km
    Relative Speed (km/s) 7.286 km/s
    Conjunction Risk Parameters R (Radial): 1.064 | I (In-track): 0.515 | C (Cross-track): -0.285
    Collision Risk Index (CRI) 0.53
    X Position (km) 4542.963 4543.537
    Position Y (km) 1082.213 1082.955
    Position Z (km) 5001.178 5001.952
    Velocity X (km/s) -4.149 1.037
    Velocity Y (km/s) 5.907 7.143
    Velocity Z (km/s) 2.483 -2.483

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4738 STARLINK-5147
    Semimajor Axis (a) 6848.935 km 6849.184 km
    Eccentricity (e) 0.000201 0.000098
    Inclination (i) 53.1629° 53.1585°
    RAAN 325.5275° 251.4687°
    Perigee Argument 151.2691° 269.7762°
    Mean Anomaly (M) 208.8422° 90.3127°
    Apogee 472.177 km 471.720 km
    Perigee 469.419 km 470.374 km
    Orbit Epoch 2026-10-27T01:50:12+0000 2026-10-27T06:19:27+0000

    STARLINK-4738 & STARLINK-5147 Collision Probability (Pc) Trend

    STARLINK-4738 & STARLINK-5147 Collision Probability (Pc) TrendNot Available

    STARLINK-4738 & STARLINK-5147 Miss Distance (Miss Distance) Trend

    STARLINK-4738 & STARLINK-5147 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4738Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5147Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4738Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5147Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4738

    No nearby objects data