Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.354923E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:09:50+0800
    View CDM
    Download CDM 1.0

    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 2026-10-22T03:43:14+0000
    Collision Probability (Pc) 1.354923E-5
    Conjunction Distance (km) 1.059 km
    Relative Speed (km/s) 7.337 km/s
    Conjunction Risk Parameters R (Radial): -0.583 | I (In-track): 0.775 | C (Cross-track): -0.425
    Collision Risk Index (CRI) 0.58
    X Position (km) -4152.827 -4152.773
    Position Y (km) 2165.831 2166.799
    Position Z (km) -4993.2 -4993.626
    Velocity X (km/s) -0.72 -5.463
    Velocity Y (km/s) -7.164 -4.689
    Velocity Z (km/s) -2.511 2.51

    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