Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.144434E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T20:08:03+0800
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    1 Object 1

    AOE ID 53780
    NORAD ID 53780
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69033
    NORAD ID 69033
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4678 STARLINK-37591
    Time of Closest Approach 2026-09-06T18:59:53+0000
    Collision Probability (Pc) 2.144434E-6
    Conjunction Distance (km) 2.035 km
    Relative Speed (km/s) 10.02 km/s
    Conjunction Risk Parameters R (Radial): 1.955 | I (In-track): 0.432 | C (Cross-track): -0.364
    Collision Risk Index (CRI) 0.42
    X Position (km) 1655.737 1656.618
    Position Y (km) -4022.149 -4023.539
    Position Z (km) 5273.297 5274.495
    Velocity X (km/s) 7.407 0.793
    Velocity Y (km/s) 0.92 -5.923
    Velocity Z (km/s) -1.619 -4.754

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4678 STARLINK-37591
    Semimajor Axis (a) 6843.386 km 6843.693 km
    Eccentricity (e) 0.000145 0.000280
    Inclination (i) 53.1597° 97.2850°
    RAAN 181.4742° 102.5341°
    Perigee Argument 77.8760° 90.3709°
    Mean Anomaly (M) 282.2405° 269.7855°
    Apogee 466.243 km 467.471 km
    Perigee 464.255 km 463.641 km
    Orbit Epoch 2026-09-05T23:46:17+0000 2026-09-05T20:30:45+0000

    STARLINK-4678 & STARLINK-37591 Collision Probability (Pc) Trend

    STARLINK-4678 & STARLINK-37591 Collision Probability (Pc) TrendNot Available

    STARLINK-4678 & STARLINK-37591 Miss Distance (Miss Distance) Trend

    STARLINK-4678 & STARLINK-37591 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37591Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37591Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4678

    No nearby objects data