Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.681902E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:07:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52650
    NORAD ID 52650
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54073
    NORAD ID 54073
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3891 STARLINK-5146
    Time of Closest Approach 2026-09-14T09:28:45+0000
    Collision Probability (Pc) 4.681902E-6
    Conjunction Distance (km) 1.51 km
    Relative Speed (km/s) 8.98 km/s
    Conjunction Risk Parameters R (Radial): 1.035 | I (In-track): -0.892 | C (Cross-track): 0.642
    Collision Risk Index (CRI) 0.48
    X Position (km) 1797.809 1799.107
    Position Y (km) 4749.41 4749.734
    Position Z (km) -4589.74 -4590.439
    Velocity X (km/s) -4.7 -6.831
    Velocity Y (km/s) 4.997 -0.63
    Velocity Z (km/s) 3.332 -3.333

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3891 STARLINK-5146
    Semimajor Axis (a) 6838.187 km 6840.897 km
    Eccentricity (e) 0.000324 0.000146
    Inclination (i) 53.1617° 53.1611°
    RAAN 123.4529° 219.5929°
    Perigee Argument 106.6718° 90.5427°
    Mean Anomaly (M) 253.4641° 269.5743°
    Apogee 462.267 km 463.758 km
    Perigee 457.833 km 461.762 km
    Orbit Epoch 2026-09-11T22:21:23+0000 2026-09-11T14:47:38+0000

    STARLINK-3891 & STARLINK-5146 Collision Probability (Pc) Trend

    STARLINK-3891 & STARLINK-5146 Collision Probability (Pc) TrendNot Available

    STARLINK-3891 & STARLINK-5146 Miss Distance (Miss Distance) Trend

    STARLINK-3891 & STARLINK-5146 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3891Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5146Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3891Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5146Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3891

    No nearby objects data