Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.100871E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T01:24:24+0800
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    1 Object 1

    AOE ID 53535
    NORAD ID 53535
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60129
    NORAD ID 60129
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4138 STARLINK-31845
    Time of Closest Approach 2026-10-31T13:33:22+0000
    Collision Probability (Pc) 1.100871E-6
    Conjunction Distance (km) 2.566 km
    Relative Speed (km/s) 7.185 km/s
    Conjunction Risk Parameters R (Radial): -1.896 | I (In-track): -1.529 | C (Cross-track): 0.804
    Collision Risk Index (CRI) 0.36
    X Position (km) -3085.708 -3083.565
    Position Y (km) 3472.133 3472.322
    Position Z (km) 5014.773 5013.375
    Velocity X (km/s) -3.286 -6.793
    Velocity Y (km/s) -6.449 -2.504
    Velocity Z (km/s) 2.438 -2.437

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4138 STARLINK-31845
    Semimajor Axis (a) 6840.992 km 6840.867 km
    Eccentricity (e) 0.000143 0.000132
    Inclination (i) 53.1621° 53.1602°
    RAAN 86.4872° 14.8734°
    Perigee Argument 270.1002° 90.6161°
    Mean Anomaly (M) 89.9836° 269.4993°
    Apogee 463.837 km 463.631 km
    Perigee 461.873 km 461.829 km
    Orbit Epoch 2026-10-29T15:55:54+0000 2026-10-29T14:09:58+0000

    STARLINK-4138 & STARLINK-31845 Collision Probability (Pc) Trend

    STARLINK-4138 & STARLINK-31845 Collision Probability (Pc) TrendNot Available

    STARLINK-4138 & STARLINK-31845 Miss Distance (Miss Distance) Trend

    STARLINK-4138 & STARLINK-31845 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4138Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31845Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4138Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31845Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4138

    No nearby objects data