Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.492286E-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 2026-11-01T07:32:02+0000
    Collision Probability (Pc) 3.492286E-6
    Conjunction Distance (km) 1.581 km
    Relative Speed (km/s) 7.174 km/s
    Conjunction Risk Parameters R (Radial): 1.506 | I (In-track): 0.424 | C (Cross-track): 0.231
    Collision Risk Index (CRI) 0.46
    X Position (km) 2871.132 2872.144
    Position Y (km) -3660.167 -3660.677
    Position Z (km) -5021.192 -5022.293
    Velocity X (km/s) 3.671 6.917
    Velocity Y (km/s) 6.224 2.085
    Velocity Z (km/s) -2.438 2.438

    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