Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.641197E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T21:08:56+0800
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    1 Object 1

    AOE ID 53209
    NORAD ID 53209
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54089
    NORAD ID 54089
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4423 STARLINK-5143
    Time of Closest Approach 2026-10-17T14:37:47+0000
    Collision Probability (Pc) 1.641197E-6
    Conjunction Distance (km) 2.248 km
    Relative Speed (km/s) 9.362 km/s
    Conjunction Risk Parameters R (Radial): 2.247 | I (In-track): 0.054 | C (Cross-track): 0.04
    Collision Risk Index (CRI) 0.39
    X Position (km) 4512.172 4510.644
    Position Y (km) -530.937 -530.789
    Position Z (km) -5127.976 -5126.334
    Velocity X (km/s) 5.389 3.222
    Velocity Y (km/s) -2.102 6.563
    Velocity Z (km/s) 4.962 2.157

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4423 STARLINK-5143
    Semimajor Axis (a) 6843.691 km 6843.421 km
    Eccentricity (e) 0.000078 0.000120
    Inclination (i) 97.2856° 53.1598°
    RAAN 344.4805° 54.9888°
    Perigee Argument 116.9917° 79.4365°
    Mean Anomaly (M) 243.1405° 280.6772°
    Apogee 466.086 km 466.107 km
    Perigee 465.022 km 464.461 km
    Orbit Epoch 2026-10-17T02:18:52+0000 2026-10-16T18:35:51+0000

    STARLINK-4423 & STARLINK-5143 Collision Probability (Pc) Trend

    STARLINK-4423 & STARLINK-5143 Collision Probability (Pc) TrendNot Available

    STARLINK-4423 & STARLINK-5143 Miss Distance (Miss Distance) Trend

    STARLINK-4423 & STARLINK-5143 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4423Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5143Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4423Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5143Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4423

    No nearby objects data