Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.392778E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:02:07+0800
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    1 Object 1

    AOE ID 53066
    NORAD ID 53066
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59533
    NORAD ID 59533
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4309 STARLINK-31509
    Time of Closest Approach 2026-09-04T09:09:00+0000
    Collision Probability (Pc) 2.392778E-6
    Conjunction Distance (km) 1.836 km
    Relative Speed (km/s) 7.816 km/s
    Conjunction Risk Parameters R (Radial): -0.219 | I (In-track): -1.564 | C (Cross-track): 0.936
    Collision Risk Index (CRI) 0.43
    X Position (km) -3208.752 -3207.887
    Position Y (km) -5339.615 -5339.546
    Position Z (km) -2879.024 -2880.641
    Velocity X (km/s) 0.716 6.239
    Velocity Y (km/s) 3.256 -1.539
    Velocity Z (km/s) -6.851 -4.099

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4309 STARLINK-31509
    Semimajor Axis (a) 6856.020 km 6861.182 km
    Eccentricity (e) 0.000194 0.000147
    Inclination (i) 97.2857° 43.0031°
    RAAN 62.1765° 32.4326°
    Perigee Argument 67.0666° 265.6953°
    Mean Anomaly (M) 37.3035° 94.3731°
    Apogee 479.211 km 484.055 km
    Perigee 476.555 km 482.035 km
    Orbit Epoch 2026-09-04T04:00:02+0000 2026-09-03T19:38:46+0000

    STARLINK-4309 & STARLINK-31509 Collision Probability (Pc) Trend

    STARLINK-4309 & STARLINK-31509 Collision Probability (Pc) TrendNot Available

    STARLINK-4309 & STARLINK-31509 Miss Distance (Miss Distance) Trend

    STARLINK-4309 & STARLINK-31509 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4309Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31509Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4309Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31509Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4309

    No nearby objects data