Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.173982E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-31T14:16:31+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53184
    NORAD ID 53184
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65398
    NORAD ID 65398
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4257 STARLINK-34931
    Time of Closest Approach 2026-08-31T17:43:03+0000
    Collision Probability (Pc) 1.173982E-6
    Conjunction Distance (km) 2.657 km
    Relative Speed (km/s) 8.837 km/s
    Conjunction Risk Parameters R (Radial): 2.131 | I (In-track): 1.296 | C (Cross-track): 0.918
    Collision Risk Index (CRI) 0.36
    X Position (km) -1016.729 -1017.473
    Position Y (km) 4620.185 4620.464
    Position Z (km) 4943.129 4945.664
    Velocity X (km/s) -5.877 2.535
    Velocity Y (km/s) -4.107 -5.001
    Velocity Z (km/s) 2.623 5.179

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4257 STARLINK-34931
    Semimajor Axis (a) 6848.882 km 6869.565 km
    Eccentricity (e) 0.000113 0.000096
    Inclination (i) 53.1605° 97.2833°
    RAAN 55.4541° 109.2180°
    Perigee Argument 101.2714° 74.1646°
    Mean Anomaly (M) 258.8415° 38.3581°
    Apogee 471.523 km 492.085 km
    Perigee 469.967 km 490.771 km
    Orbit Epoch 2026-08-30T17:56:49+0000 2026-08-30T20:00:02+0000

    STARLINK-4257 & STARLINK-34931 Collision Probability (Pc) Trend

    STARLINK-4257 & STARLINK-34931 Collision Probability (Pc) TrendNot Available

    STARLINK-4257 & STARLINK-34931 Miss Distance (Miss Distance) Trend

    STARLINK-4257 & STARLINK-34931 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34931Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4257Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34931Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4257

    No nearby objects data