Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.874941E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T10:12:17+0800
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    1 Object 1

    AOE ID 55426
    NORAD ID 55426
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57219
    NORAD ID 57219
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5638 STARLINK-5520
    Time of Closest Approach 2026-10-15T23:09:15+0000
    Collision Probability (Pc) 6.874941E-7
    Conjunction Distance (km) 2.855 km
    Relative Speed (km/s) 3.98 km/s
    Conjunction Risk Parameters R (Radial): 2.603 | I (In-track): -1.132 | C (Cross-track): 0.305
    Collision Risk Index (CRI) 0.32
    X Position (km) -1646.499 -1647.889
    Position Y (km) -6162.99 -6165.482
    Position Z (km) 2510.987 2511.064
    Velocity X (km/s) 3.38 6.238
    Velocity Y (km/s) 1.793 0.126
    Velocity Z (km/s) 6.598 4.388

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5638 STARLINK-5520
    Semimajor Axis (a) 6855.207 km 6861.230 km
    Eccentricity (e) 0.000323 0.000130
    Inclination (i) 69.9988° 43.0017°
    RAAN 251.8254° 240.0693°
    Perigee Argument 267.2268° 269.5593°
    Mean Anomaly (M) 92.8538° 90.5109°
    Apogee 479.285 km 483.986 km
    Perigee 474.855 km 482.200 km
    Orbit Epoch 2026-10-14T01:32:18+0000 2026-10-14T04:38:32+0000

    STARLINK-5638 & STARLINK-5520 Collision Probability (Pc) Trend

    STARLINK-5638 & STARLINK-5520 Collision Probability (Pc) TrendNot Available

    STARLINK-5638 & STARLINK-5520 Miss Distance (Miss Distance) Trend

    STARLINK-5638 & STARLINK-5520 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5638Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5520Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5638Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5520Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5638

    No nearby objects data