Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.334767E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:52:58+0800
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    1 Object 1

    AOE ID 53189
    NORAD ID 53189
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53792
    NORAD ID 53792
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4391 STARLINK-4739
    Time of Closest Approach 2026-10-27T17:03:11+0000
    Collision Probability (Pc) 5.334767E-6
    Conjunction Distance (km) 1.455 km
    Relative Speed (km/s) 9.119 km/s
    Conjunction Risk Parameters R (Radial): -1.22 | I (In-track): -0.631 | C (Cross-track): 0.477
    Collision Risk Index (CRI) 0.5
    X Position (km) -4524.465 -4524.828
    Position Y (km) 970.697 970.425
    Position Z (km) -5051.635 -5053.017
    Velocity X (km/s) 5.696 1.106
    Velocity Y (km/s) 0.241 -7.162
    Velocity Z (km/s) -5.059 -2.365

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4391 STARLINK-4739
    Semimajor Axis (a) 6843.700 km 6848.824 km
    Eccentricity (e) 0.000068 0.000336
    Inclination (i) 97.2846° 53.1503°
    RAAN 355.1060° 294.9526°
    Perigee Argument 125.9688° 292.3534°
    Mean Anomaly (M) 234.1618° 67.7111°
    Apogee 466.029 km 472.990 km
    Perigee 465.097 km 468.384 km
    Orbit Epoch 2026-10-26T21:16:07+0000 2026-10-27T06:34:56+0000

    STARLINK-4391 & STARLINK-4739 Collision Probability (Pc) Trend

    STARLINK-4391 & STARLINK-4739 Collision Probability (Pc) TrendNot Available

    STARLINK-4391 & STARLINK-4739 Miss Distance (Miss Distance) Trend

    STARLINK-4391 & STARLINK-4739 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4739Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4739Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4391

    No nearby objects data