Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.779188E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:52:12+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 2026-09-07T07:12:07+0000
    Collision Probability (Pc) 5.779188E-7
    Conjunction Distance (km) 2.259 km
    Relative Speed (km/s) 1.327 km/s
    Conjunction Risk Parameters R (Radial): -1.497 | I (In-track): -1.683 | C (Cross-track): 0.143
    Collision Risk Index (CRI) 0.3
    X Position (km) 5015.067 5014.138
    Position Y (km) 502.895 501.103
    Position Z (km) -4659.129 -4658.115
    Velocity X (km/s) -0.311 -1.205
    Velocity Y (km/s) 7.596 7.507
    Velocity Z (km/s) 0.486 -0.489

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5520 STARLINK-36991
    Semimajor Axis (a) 6861.238 km 6861.127 km
    Eccentricity (e) 0.000120 0.000315
    Inclination (i) 43.0034° 43.0068°
    RAAN 101.2553° 115.9043°
    Perigee Argument 273.0751° 268.2787°
    Mean Anomaly (M) 86.9963° 91.7705°
    Apogee 483.926 km 485.148 km
    Perigee 482.276 km 480.832 km
    Orbit Epoch 2026-09-05T00:38:48+0000 2026-09-05T00:41:44+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