Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.967559E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T00:09:56+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 44930
    NORAD ID 44930
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63558
    NORAD ID 63558
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1123 STARLINK-11657
    Time of Closest Approach 2026-09-16T05:45:49+0000
    Collision Probability (Pc) 3.967559E-6
    Conjunction Distance (km) 1.461 km
    Relative Speed (km/s) 5.972 km/s
    Conjunction Risk Parameters R (Radial): -0.835 | I (In-track): 1.103 | C (Cross-track): -0.466
    Collision Risk Index (CRI) 0.47
    X Position (km) -4924.371 -4923.389
    Position Y (km) -817.56 -818.579
    Position Z (km) 4509.833 4509.475
    Velocity X (km/s) 4.02 0.394
    Velocity Y (km/s) -5.644 -7.631
    Velocity Z (km/s) 3.356 -0.952

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1123 STARLINK-11657
    Semimajor Axis (a) 6733.047 km 6734.409 km
    Eccentricity (e) 0.000144 0.000208
    Inclination (i) 53.1370° 42.9990°
    RAAN 156.5480° 99.5892°
    Perigee Argument 162.3152° 268.8615°
    Mean Anomaly (M) 197.7916° 91.2015°
    Apogee 355.882 km 357.671 km
    Perigee 353.938 km 354.873 km
    Orbit Epoch 2026-09-14T06:12:23+0000 2026-09-13T20:53:44+0000

    STARLINK-1123 & STARLINK-11657 Collision Probability (Pc) Trend

    STARLINK-1123 & STARLINK-11657 Collision Probability (Pc) TrendNot Available

    STARLINK-1123 & STARLINK-11657 Miss Distance (Miss Distance) Trend

    STARLINK-1123 & STARLINK-11657 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1123Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11657Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1123Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11657Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1123

    No nearby objects data