Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.007269E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:43:27+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51117
    NORAD ID 51117
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64775
    NORAD ID 64775
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3391 STARLINK-34657
    Time of Closest Approach 2026-09-13T16:43:56+0000
    Collision Probability (Pc) 1.007269E-6
    Conjunction Distance (km) 2.729 km
    Relative Speed (km/s) 7.23 km/s
    Conjunction Risk Parameters R (Radial): -2.392 | I (In-track): -1.156 | C (Cross-track): 0.619
    Collision Risk Index (CRI) 0.35
    X Position (km) 3959.829 3960.523
    Position Y (km) 2459.525 2461.501
    Position Z (km) -5010.094 -5011.844
    Velocity X (km/s) -5.791 -1.297
    Velocity Y (km/s) 4.308 7.099
    Velocity Z (km/s) -2.464 2.463

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3391 STARLINK-34657
    Semimajor Axis (a) 6837.880 km 6840.812 km
    Eccentricity (e) 0.000139 0.000077
    Inclination (i) 53.1618° 53.1579°
    RAAN 175.7483° 98.2904°
    Perigee Argument 90.4827° 93.0386°
    Mean Anomaly (M) 269.6335° 267.0704°
    Apogee 460.694 km 463.200 km
    Perigee 458.792 km 462.150 km
    Orbit Epoch 2026-09-09T22:37:02+0000 2026-09-10T23:21:58+0000

    STARLINK-3391 & STARLINK-34657 Collision Probability (Pc) Trend

    STARLINK-3391 & STARLINK-34657 Collision Probability (Pc) TrendNot Available

    STARLINK-3391 & STARLINK-34657 Miss Distance (Miss Distance) Trend

    STARLINK-3391 & STARLINK-34657 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34657Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34657Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3391

    No nearby objects data