Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.546617E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:15:48+0800
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    1 Object 1

    AOE ID 48328
    NORAD ID 48328
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56357
    NORAD ID 56357
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2504 STARLINK-5538
    Time of Closest Approach 2026-10-21T17:49:51+0000
    Collision Probability (Pc) 4.546617E-6
    Conjunction Distance (km) 1.691 km
    Relative Speed (km/s) 14.597 km/s
    Conjunction Risk Parameters R (Radial): 0.058 | I (In-track): -0.492 | C (Cross-track): -1.615
    Collision Risk Index (CRI) 0.48
    X Position (km) -1840.197 -1841.548
    Position Y (km) 5872.555 5871.748
    Position Z (km) -3008.386 -3009.004
    Velocity X (km/s) -5.602 2.018
    Velocity Y (km/s) 0.855 -2.838
    Velocity Z (km/s) 5.105 -6.785

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2504 STARLINK-5538
    Semimajor Axis (a) 6847.075 km 6843.715 km
    Eccentricity (e) 0.000184 0.000166
    Inclination (i) 53.1567° 97.2857°
    RAAN 137.0834° 289.0330°
    Perigee Argument 87.2882° 95.7174°
    Mean Anomaly (M) 272.8330° 264.4258°
    Apogee 470.198 km 466.711 km
    Perigee 467.678 km 464.445 km
    Orbit Epoch 2026-10-19T23:42:59+0000 2026-10-19T17:57:03+0000

    STARLINK-2504 & STARLINK-5538 Collision Probability (Pc) Trend

    STARLINK-2504 & STARLINK-5538 Collision Probability (Pc) TrendNot Available

    STARLINK-2504 & STARLINK-5538 Miss Distance (Miss Distance) Trend

    STARLINK-2504 & STARLINK-5538 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2504Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5538Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2504Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5538Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2504

    No nearby objects data