Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.051472E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:09:52+0800
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    1 Object 1

    AOE ID 53165
    NORAD ID 53165
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59265
    NORAD ID 59265
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4090 STARLINK-31646
    Time of Closest Approach 2026-10-20T05:30:41+0000
    Collision Probability (Pc) 4.051472E-7
    Conjunction Distance (km) 2.713 km
    Relative Speed (km/s) 1.063 km/s
    Conjunction Risk Parameters R (Radial): -2.709 | I (In-track): -0.131 | C (Cross-track): -0.012
    Collision Risk Index (CRI) 0.27
    X Position (km) 2611.859 2612.995
    Position Y (km) -3169.434 -3170.605
    Position Z (km) 5457.138 5459.304
    Velocity X (km/s) 5.612 6.151
    Velocity Y (km/s) 5.175 4.519
    Velocity Z (km/s) 0.319 -0.319

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4090 STARLINK-31646
    Semimajor Axis (a) 6837.856 km 6840.904 km
    Eccentricity (e) 0.000121 0.000171
    Inclination (i) 53.1592° 53.1590°
    RAAN 229.1244° 219.4630°
    Perigee Argument 87.7473° 87.1571°
    Mean Anomaly (M) 272.3669° 272.9628°
    Apogee 460.550 km 463.941 km
    Perigee 458.888 km 461.593 km
    Orbit Epoch 2026-10-19T05:42:03+0000 2026-10-19T04:05:45+0000

    STARLINK-4090 & STARLINK-31646 Collision Probability (Pc) Trend

    STARLINK-4090 & STARLINK-31646 Collision Probability (Pc) TrendNot Available

    STARLINK-4090 & STARLINK-31646 Miss Distance (Miss Distance) Trend

    STARLINK-4090 & STARLINK-31646 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4090Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31646Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4090Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31646Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4090

    No nearby objects data