Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.193032E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:49:16+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53400
    NORAD ID 53400
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62777
    NORAD ID 62777
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4520 STARLINK-33591
    Time of Closest Approach 2026-09-05T14:01:53+0000
    Collision Probability (Pc) 2.193032E-6
    Conjunction Distance (km) 2.122 km
    Relative Speed (km/s) 12.197 km/s
    Conjunction Risk Parameters R (Radial): 2.022 | I (In-track): -0.381 | C (Cross-track): -0.518
    Collision Risk Index (CRI) 0.42
    X Position (km) -6042.626 -6044.709
    Position Y (km) -3134.954 -3135.309
    Position Z (km) 649.082 649.266
    Velocity X (km/s) 1.597 2.638
    Velocity Y (km/s) -4.352 -3.811
    Velocity Z (km/s) -6.071 6.069

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4520 STARLINK-33591
    Semimajor Axis (a) 6837.795 km 6840.812 km
    Eccentricity (e) 0.000127 0.000151
    Inclination (i) 53.1608° 53.1574°
    RAAN 45.5741° 219.1615°
    Perigee Argument 77.9916° 74.2431°
    Mean Anomaly (M) 56.8003° 285.8738°
    Apogee 460.530 km 463.710 km
    Perigee 458.786 km 461.640 km
    Orbit Epoch 2026-09-02T14:00:02+0000 2026-09-02T04:43:02+0000

    STARLINK-4520 & STARLINK-33591 Collision Probability (Pc) Trend

    STARLINK-4520 & STARLINK-33591 Collision Probability (Pc) TrendNot Available

    STARLINK-4520 & STARLINK-33591 Miss Distance (Miss Distance) Trend

    STARLINK-4520 & STARLINK-33591 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4520Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33591Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4520Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33591Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4520

    No nearby objects data