Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.37201E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T23:12:39+0800
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    1 Object 1

    AOE ID 53533
    NORAD ID 53533
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56341
    NORAD ID 56341
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4493 STARLINK-5543
    Time of Closest Approach 2026-10-28T20:52:16+0000
    Collision Probability (Pc) 1.37201E-6
    Conjunction Distance (km) 2.909 km
    Relative Speed (km/s) 14.448 km/s
    Conjunction Risk Parameters R (Radial): 2.535 | I (In-track): -0.473 | C (Cross-track): -1.347
    Collision Risk Index (CRI) 0.38
    X Position (km) -2834.267 -2834.497
    Position Y (km) 4883.321 4881.21
    Position Z (km) 3867.304 3865.315
    Velocity X (km/s) -3.308 -1.131
    Velocity Y (km/s) -5.354 4.283
    Velocity Z (km/s) 4.322 -6.218

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4493 STARLINK-5543
    Semimajor Axis (a) 6849.130 km 6843.727 km
    Eccentricity (e) 0.000188 0.000136
    Inclination (i) 53.1601° 97.2844°
    RAAN 94.4366° 294.1919°
    Perigee Argument 81.6283° 86.2740°
    Mean Anomaly (M) 278.4932° 273.8658°
    Apogee 472.284 km 466.520 km
    Perigee 469.702 km 464.660 km
    Orbit Epoch 2026-10-27T18:03:10+0000 2026-10-27T22:18:52+0000

    STARLINK-4493 & STARLINK-5543 Collision Probability (Pc) Trend

    STARLINK-4493 & STARLINK-5543 Collision Probability (Pc) TrendNot Available

    STARLINK-4493 & STARLINK-5543 Miss Distance (Miss Distance) Trend

    STARLINK-4493 & STARLINK-5543 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4493Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5543Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4493Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5543Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4493

    No nearby objects data