Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.435237E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T05:20:15+0800
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    1 Object 1

    AOE ID 53173
    NORAD ID 53173
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54788
    NORAD ID 54788
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4300 STARLINK-5399
    Time of Closest Approach 2026-10-18T00:45:26+0000
    Collision Probability (Pc) 1.435237E-6
    Conjunction Distance (km) 2.469 km
    Relative Speed (km/s) 10.133 km/s
    Conjunction Risk Parameters R (Radial): 2.431 | I (In-track): -0.314 | C (Cross-track): -0.288
    Collision Risk Index (CRI) 0.38
    X Position (km) 3004.716 3006.138
    Position Y (km) 4592.077 4593.472
    Position Z (km) -4087.608 -4089.066
    Velocity X (km/s) -6.429 -3.116
    Velocity Y (km/s) 0.593 5.653
    Velocity Z (km/s) -4.065 4.064

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4300 STARLINK-5399
    Semimajor Axis (a) 6837.881 km 6840.891 km
    Eccentricity (e) 0.000137 0.000073
    Inclination (i) 53.1591° 53.1609°
    RAAN 206.7049° 94.6625°
    Perigee Argument 86.3822° 54.7191°
    Mean Anomaly (M) 273.7337° 305.3880°
    Apogee 460.681 km 463.253 km
    Perigee 458.807 km 462.255 km
    Orbit Epoch 2026-10-17T05:01:15+0000 2026-10-17T04:38:41+0000

    STARLINK-4300 & STARLINK-5399 Collision Probability (Pc) Trend

    STARLINK-4300 & STARLINK-5399 Collision Probability (Pc) TrendNot Available

    STARLINK-4300 & STARLINK-5399 Miss Distance (Miss Distance) Trend

    STARLINK-4300 & STARLINK-5399 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4300Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5399Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4300Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5399Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4300

    No nearby objects data