Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.416284E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:33:37+0800
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    1 Object 1

    AOE ID 57219
    NORAD ID 57219
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68011
    NORAD ID 68011
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5520 STARLINK-36991
    Time of Closest Approach 2026-10-21T12:48:58+0000
    Collision Probability (Pc) 2.416284E-4
    Conjunction Distance (km) 0.258 km
    Relative Speed (km/s) 1.328 km/s
    Conjunction Risk Parameters R (Radial): -0.233 | I (In-track): -0.108 | C (Cross-track): -0.01
    Collision Risk Index (CRI) 0.83
    X Position (km) 2204.33 2204.157
    Position Y (km) -4526.107 -4526.001
    Position Z (km) 4653.055 4652.896
    Velocity X (km/s) 7.029 6.635
    Velocity Y (km/s) 2.919 3.731
    Velocity Z (km/s) -0.489 0.485

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5520 STARLINK-36991
    Semimajor Axis (a) 6861.200 km 6861.149 km
    Eccentricity (e) 0.000135 0.000157
    Inclination (i) 43.0024° 42.9985°
    RAAN 212.0039° 226.2836°
    Perigee Argument 268.4692° 265.8006°
    Mean Anomaly (M) 91.6005° 94.2666°
    Apogee 483.990 km 484.092 km
    Perigee 482.136 km 481.932 km
    Orbit Epoch 2026-10-19T03:54:25+0000 2026-10-19T05:31:31+0000

    STARLINK-5520 & STARLINK-36991 Collision Probability (Pc) Trend

    STARLINK-5520 & STARLINK-36991 Collision Probability (Pc) TrendNot Available

    STARLINK-5520 & STARLINK-36991 Miss Distance (Miss Distance) Trend

    STARLINK-5520 & STARLINK-36991 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5520Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36991Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5520Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36991Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5520

    No nearby objects data