Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.224617E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:22:44+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 64671
    NORAD ID 64671
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4520 STARLINK-34365
    Time of Closest Approach 2026-09-07T05:28:26+0000
    Collision Probability (Pc) 6.224617E-7
    Conjunction Distance (km) 2.582 km
    Relative Speed (km/s) 2.514 km/s
    Conjunction Risk Parameters R (Radial): 1.659 | I (In-track): 1.952 | C (Cross-track): 0.327
    Collision Risk Index (CRI) 0.31
    X Position (km) 860.064 862.208
    Position Y (km) -4072.366 -4072.944
    Position Z (km) -5432.646 -5433.963
    Velocity X (km/s) 7.152 7.564
    Velocity Y (km/s) 2.531 0.581
    Velocity Z (km/s) -0.766 0.765

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4520 STARLINK-34365
    Semimajor Axis (a) 6837.872 km 6840.824 km
    Eccentricity (e) 0.000177 0.000040
    Inclination (i) 53.1612° 53.1605°
    RAAN 34.7165° 12.1734°
    Perigee Argument 69.8275° 17.7966°
    Mean Anomaly (M) 290.2918° 342.3050°
    Apogee 460.944 km 462.962 km
    Perigee 458.526 km 462.412 km
    Orbit Epoch 2026-09-04T21:39:23+0000 2026-09-04T15:18:21+0000

    STARLINK-4520 & STARLINK-34365 Collision Probability (Pc) Trend

    STARLINK-4520 & STARLINK-34365 Collision Probability (Pc) TrendNot Available

    STARLINK-4520 & STARLINK-34365 Miss Distance (Miss Distance) Trend

    STARLINK-4520 & STARLINK-34365 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4520Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34365Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4520Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34365Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4520

    No nearby objects data