Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.729396E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:09:36+0800
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    1 Object 1

    AOE ID 55453
    NORAD ID 55453
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63481
    NORAD ID 63481
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5684 STARLINK-33639
    Time of Closest Approach 2026-10-22T18:03:08+0000
    Collision Probability (Pc) 1.729396E-6
    Conjunction Distance (km) 1.964 km
    Relative Speed (km/s) 6.125 km/s
    Conjunction Risk Parameters R (Radial): -0.896 | I (In-track): -1.598 | C (Cross-track): -0.702
    Collision Risk Index (CRI) 0.4
    X Position (km) 5482.421 5481.708
    Position Y (km) 13.617 11.87
    Position Z (km) -4129.344 -4128.805
    Velocity X (km/s) -1.859 1.826
    Velocity Y (km/s) 6.973 6.982
    Velocity Z (km/s) -2.445 2.446

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5684 STARLINK-33639
    Semimajor Axis (a) 6861.242 km 6861.159 km
    Eccentricity (e) 0.000173 0.000207
    Inclination (i) 43.0010° 43.0028°
    RAAN 142.3511° 69.1266°
    Perigee Argument 269.2689° 273.1434°
    Mean Anomaly (M) 90.7965° 86.9181°
    Apogee 484.290 km 484.446 km
    Perigee 481.920 km 481.598 km
    Orbit Epoch 2026-10-19T21:31:07+0000 2026-10-20T01:59:03+0000

    STARLINK-5684 & STARLINK-33639 Collision Probability (Pc) Trend

    STARLINK-5684 & STARLINK-33639 Collision Probability (Pc) TrendNot Available

    STARLINK-5684 & STARLINK-33639 Miss Distance (Miss Distance) Trend

    STARLINK-5684 & STARLINK-33639 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5684Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33639Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5684Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33639Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5684

    No nearby objects data