Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.427502E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T09:32:51+0800
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    1 Object 1

    AOE ID 53488
    NORAD ID 53488
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53641
    NORAD ID 53641
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4421 STARLINK-4588
    Time of Closest Approach 2026-10-20T07:26:35+0000
    Collision Probability (Pc) 1.427502E-6
    Conjunction Distance (km) 2.758 km
    Relative Speed (km/s) 13.643 km/s
    Conjunction Risk Parameters R (Radial): 2.758 | I (In-track): 0.018 | C (Cross-track): 0.05
    Collision Risk Index (CRI) 0.38
    X Position (km) -3379.791 -3381.106
    Position Y (km) -3085.847 -3087.108
    Position Z (km) -5098.933 -5101.002
    Velocity X (km/s) 3.136 2.771
    Velocity Y (km/s) 4.821 -6.736
    Velocity Z (km/s) -5 2.241

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4421 STARLINK-4588
    Semimajor Axis (a) 6843.671 km 6848.848 km
    Eccentricity (e) 0.000171 0.000130
    Inclination (i) 97.2813° 53.1590°
    RAAN 48.6174° 286.5849°
    Perigee Argument 83.7365° 90.1802°
    Mean Anomaly (M) 276.4073° 269.9348°
    Apogee 466.704 km 471.600 km
    Perigee 464.364 km 469.822 km
    Orbit Epoch 2026-10-18T07:27:58+0000 2026-10-18T16:35:29+0000

    STARLINK-4421 & STARLINK-4588 Collision Probability (Pc) Trend

    STARLINK-4421 & STARLINK-4588 Collision Probability (Pc) TrendNot Available

    STARLINK-4421 & STARLINK-4588 Miss Distance (Miss Distance) Trend

    STARLINK-4421 & STARLINK-4588 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4588Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4588Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4421

    No nearby objects data