Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.750927E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T16:12:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 47787
    NORAD ID 47787
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68802
    NORAD ID 68802
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2257 STARLINK-37471
    Time of Closest Approach 2026-09-14T19:02:22+0000
    Collision Probability (Pc) 9.750927E-7
    Conjunction Distance (km) 2.615 km
    Relative Speed (km/s) 6.106 km/s
    Conjunction Risk Parameters R (Radial): -2.604 | I (In-track): -0.215 | C (Cross-track): 0.094
    Collision Risk Index (CRI) 0.35
    X Position (km) 1229.923 1229.406
    Position Y (km) -6344.432 -6342.107
    Position Z (km) -2277.565 -2276.486
    Velocity X (km/s) 4.388 -1.483
    Velocity Y (km/s) 2.839 2.265
    Velocity Z (km/s) -5.556 -7.131

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2257 STARLINK-37471
    Semimajor Axis (a) 6848.902 km 6843.696 km
    Eccentricity (e) 0.000124 0.000218
    Inclination (i) 53.1585° 97.2842°
    RAAN 94.3308° 101.3318°
    Perigee Argument 93.9055° 89.0606°
    Mean Anomaly (M) 266.2088° 271.0887°
    Apogee 471.612 km 467.051 km
    Perigee 469.918 km 464.067 km
    Orbit Epoch 2026-09-12T22:18:08+0000 2026-09-12T12:55:30+0000

    STARLINK-2257 & STARLINK-37471 Collision Probability (Pc) Trend

    STARLINK-2257 & STARLINK-37471 Collision Probability (Pc) TrendNot Available

    STARLINK-2257 & STARLINK-37471 Miss Distance (Miss Distance) Trend

    STARLINK-2257 & STARLINK-37471 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37471Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2257Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37471Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2257

    No nearby objects data