Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.065143E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:35:47+0800
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    1 Object 1

    AOE ID 55986
    NORAD ID 55986
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59838
    NORAD ID 59838
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5905 STARLINK-31855
    Time of Closest Approach 2026-10-21T20:21:57+0000
    Collision Probability (Pc) 1.065143E-4
    Conjunction Distance (km) 0.59 km
    Relative Speed (km/s) 9.948 km/s
    Conjunction Risk Parameters R (Radial): -0.031 | I (In-track): -0.446 | C (Cross-track): 0.385
    Collision Risk Index (CRI) 0.76
    X Position (km) -3332.641 -3333.134
    Position Y (km) -5714.126 -5713.802
    Position Z (km) 1813.097 1813.09
    Velocity X (km/s) 5.66 4.33
    Velocity Y (km/s) -1.773 -4.054
    Velocity Z (km/s) 4.796 -4.795

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5905 STARLINK-31855
    Semimajor Axis (a) 6861.264 km 6861.150 km
    Eccentricity (e) 0.000113 0.000096
    Inclination (i) 43.0041° 42.9985°
    RAAN 237.4444° 88.8332°
    Perigee Argument 271.2040° 270.7807°
    Mean Anomaly (M) 88.8682° 89.2935°
    Apogee 483.904 km 483.673 km
    Perigee 482.350 km 482.353 km
    Orbit Epoch 2026-10-19T05:29:40+0000 2026-10-19T17:27:59+0000

    STARLINK-5905 & STARLINK-31855 Collision Probability (Pc) Trend

    STARLINK-5905 & STARLINK-31855 Collision Probability (Pc) TrendNot Available

    STARLINK-5905 & STARLINK-31855 Miss Distance (Miss Distance) Trend

    STARLINK-5905 & STARLINK-31855 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5905Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31855Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5905Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31855Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5905

    No nearby objects data