Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.708319E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:55:36+0800
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    1 Object 1

    AOE ID 57263
    NORAD ID 57263
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59888
    NORAD ID 59888
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5509 STARLINK-31965
    Time of Closest Approach 2026-10-28T20:36:30+0000
    Collision Probability (Pc) 1.708319E-6
    Conjunction Distance (km) 2.09 km
    Relative Speed (km/s) 7.672 km/s
    Conjunction Risk Parameters R (Radial): 1.773 | I (In-track): 0.962 | C (Cross-track): -0.549
    Collision Risk Index (CRI) 0.4
    X Position (km) 2104.371 2102.797
    Position Y (km) -5407.601 -5406.609
    Position Z (km) 3653.457 3652.505
    Velocity X (km/s) 6.886 5.403
    Velocity Y (km/s) 0.482 4.297
    Velocity Z (km/s) -3.244 3.244

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5509 STARLINK-31965
    Semimajor Axis (a) 6861.132 km 6859.504 km
    Eccentricity (e) 0.000125 0.000288
    Inclination (i) 43.0006° 42.9963°
    RAAN 162.8563° 258.0345°
    Perigee Argument 269.2919° 279.3112°
    Mean Anomaly (M) 2.6032° 80.7414°
    Apogee 483.855 km 483.344 km
    Perigee 482.135 km 479.390 km
    Orbit Epoch 2026-10-27T06:00:04+0000 2026-10-27T05:10:05+0000

    STARLINK-5509 & STARLINK-31965 Collision Probability (Pc) Trend

    STARLINK-5509 & STARLINK-31965 Collision Probability (Pc) TrendNot Available

    STARLINK-5509 & STARLINK-31965 Miss Distance (Miss Distance) Trend

    STARLINK-5509 & STARLINK-31965 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31965Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31965Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5509

    No nearby objects data