Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.575859E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T01:25:52+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52850
    NORAD ID 52850
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53693
    NORAD ID 53693
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4187 STARLINK-4566
    Time of Closest Approach 2026-09-13T01:10:55+0000
    Collision Probability (Pc) 1.575859E-6
    Conjunction Distance (km) 2.586 km
    Relative Speed (km/s) 13.605 km/s
    Conjunction Risk Parameters R (Radial): 2.583 | I (In-track): 0.044 | C (Cross-track): -0.107
    Collision Risk Index (CRI) 0.39
    X Position (km) -3545.553 -3544.119
    Position Y (km) 2853.58 2852.55
    Position Z (km) -5125.279 -5123.39
    Velocity X (km/s) -2.412 -3.443
    Velocity Y (km/s) -6.895 4.639
    Velocity Z (km/s) -2.171 4.969

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4187 STARLINK-4566
    Semimajor Axis (a) 6848.888 km 6843.710 km
    Eccentricity (e) 0.000119 0.000225
    Inclination (i) 53.1589° 97.2841°
    RAAN 271.3812° 131.9968°
    Perigee Argument 78.8541° 93.6747°
    Mean Anomaly (M) 281.2595° 266.4752°
    Apogee 471.569 km 467.111 km
    Perigee 469.933 km 464.035 km
    Orbit Epoch 2026-09-11T08:56:55+0000 2026-09-12T03:28:09+0000

    STARLINK-4187 & STARLINK-4566 Collision Probability (Pc) Trend

    STARLINK-4187 & STARLINK-4566 Collision Probability (Pc) TrendNot Available

    STARLINK-4187 & STARLINK-4566 Miss Distance (Miss Distance) Trend

    STARLINK-4187 & STARLINK-4566 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4187Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4566Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4187Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4566Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4187

    No nearby objects data