Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.894507E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T19:06:24+0800
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    1 Object 1

    AOE ID 52844
    NORAD ID 52844
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53572
    NORAD ID 53572
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4208 STARLINK-4555
    Time of Closest Approach 2026-09-02T19:49:02+0000
    Collision Probability (Pc) 4.894507E-7
    Conjunction Distance (km) 2.726 km
    Relative Speed (km/s) 1.741 km/s
    Conjunction Risk Parameters R (Radial): 1.977 | I (In-track): 1.864 | C (Cross-track): 0.218
    Collision Risk Index (CRI) 0.29
    X Position (km) -2769.894 -2770.486
    Position Y (km) -3070.631 -3068.487
    Position Z (km) -5459.448 -5457.874
    Velocity X (km/s) 5.158 6.088
    Velocity Y (km/s) -5.587 -4.558
    Velocity Z (km/s) 0.526 -0.526

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4208 STARLINK-4555
    Semimajor Axis (a) 6843.340 km 6840.925 km
    Eccentricity (e) 0.000106 0.000233
    Inclination (i) 53.1597° 53.1614°
    RAAN 315.4584° 332.1566°
    Perigee Argument 93.1847° 37.9661°
    Mean Anomaly (M) 266.9276° 322.1506°
    Apogee 465.927 km 464.384 km
    Perigee 464.479 km 461.192 km
    Orbit Epoch 2026-09-01T14:28:10+0000 2026-09-01T12:57:53+0000

    STARLINK-4208 & STARLINK-4555 Collision Probability (Pc) Trend

    STARLINK-4208 & STARLINK-4555 Collision Probability (Pc) TrendNot Available

    STARLINK-4208 & STARLINK-4555 Miss Distance (Miss Distance) Trend

    STARLINK-4208 & STARLINK-4555 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4208Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4555Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4208Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4555Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4208

    No nearby objects data