Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.384959E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T05:47:44+0800
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    1 Object 1

    AOE ID 53221
    NORAD ID 53221
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54161
    NORAD ID 54161
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4377 STARLINK-5269
    Time of Closest Approach 2026-10-16T00:18:14+0000
    Collision Probability (Pc) 1.384959E-6
    Conjunction Distance (km) 2.699 km
    Relative Speed (km/s) 12.254 km/s
    Conjunction Risk Parameters R (Radial): -2.586 | I (In-track): 0.465 | C (Cross-track): -0.61
    Collision Risk Index (CRI) 0.38
    X Position (km) -4087.405 -4088.437
    Position Y (km) 481.771 482.408
    Position Z (km) 5461.139 5463.549
    Velocity X (km/s) -5.736 -0.408
    Velocity Y (km/s) 2.296 -7.615
    Velocity Z (km/s) -4.485 0.366

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4377 STARLINK-5269
    Semimajor Axis (a) 6843.665 km 6848.869 km
    Eccentricity (e) 0.000074 0.000121
    Inclination (i) 97.2837° 53.1588°
    RAAN 343.0980° 94.2337°
    Perigee Argument 88.6578° 99.7454°
    Mean Anomaly (M) 271.4750° 260.3684°
    Apogee 466.038 km 471.563 km
    Perigee 465.018 km 469.901 km
    Orbit Epoch 2026-10-15T14:21:30+0000 2026-10-14T21:18:21+0000

    STARLINK-4377 & STARLINK-5269 Collision Probability (Pc) Trend

    STARLINK-4377 & STARLINK-5269 Collision Probability (Pc) TrendNot Available

    STARLINK-4377 & STARLINK-5269 Miss Distance (Miss Distance) Trend

    STARLINK-4377 & STARLINK-5269 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4377Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5269Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4377Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5269Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4377

    No nearby objects data