Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.402268E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:49:06+0800
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    1 Object 1

    AOE ID 53609
    NORAD ID 53609
    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-4660 STARLINK-31646
    Time of Closest Approach 2026-10-22T00:35:39+0000
    Collision Probability (Pc) 1.402268E-6
    Conjunction Distance (km) 2.262 km
    Relative Speed (km/s) 7.338 km/s
    Conjunction Risk Parameters R (Radial): 0.575 | I (In-track): 1.919 | C (Cross-track): 1.051
    Collision Risk Index (CRI) 0.38
    X Position (km) -4175.476 -4176.816
    Position Y (km) 2123.207 2121.435
    Position Z (km) -4992.627 -4993.047
    Velocity X (km/s) -0.645 -5.412
    Velocity Y (km/s) -7.171 -4.748
    Velocity Z (km/s) -2.512 2.512

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4660 STARLINK-31646
    Semimajor Axis (a) 6840.794 km 6840.904 km
    Eccentricity (e) 0.000124 0.000171
    Inclination (i) 53.1586° 53.1590°
    RAAN 293.9170° 219.4630°
    Perigee Argument 87.8197° 87.1571°
    Mean Anomaly (M) 272.2948° 272.9628°
    Apogee 463.506 km 463.941 km
    Perigee 461.808 km 461.593 km
    Orbit Epoch 2026-10-19T01:10:59+0000 2026-10-19T04:05:45+0000

    STARLINK-4660 & STARLINK-31646 Collision Probability (Pc) Trend

    STARLINK-4660 & STARLINK-31646 Collision Probability (Pc) TrendNot Available

    STARLINK-4660 & STARLINK-31646 Miss Distance (Miss Distance) Trend

    STARLINK-4660 & STARLINK-31646 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4660Miss 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-4660Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31646Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4660

    No nearby objects data