Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.655698E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:11:16+0800
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    1 Object 1

    AOE ID 53036
    NORAD ID 53036
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55571
    NORAD ID 55571
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4155 STARLINK-5739
    Time of Closest Approach 2026-09-13T15:50:31+0000
    Collision Probability (Pc) 2.655698E-4
    Conjunction Distance (km) 0.366 km
    Relative Speed (km/s) 7.375 km/s
    Conjunction Risk Parameters R (Radial): 0.201 | I (In-track): 0.268 | C (Cross-track): -0.148
    Collision Risk Index (CRI) 0.83
    X Position (km) -105.745 -105.447
    Position Y (km) -5302.235 -5302.429
    Position Z (km) -4357.052 -4357.137
    Velocity X (km/s) 5.849 7.242
    Velocity Y (km/s) -3.165 1.415
    Velocity Z (km/s) 3.713 -1.897

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4155 STARLINK-5739
    Semimajor Axis (a) 6858.723 km 6861.198 km
    Eccentricity (e) 0.000108 0.000167
    Inclination (i) 53.1608° 43.0050°
    RAAN 317.6579° 48.3501°
    Perigee Argument 94.0886° 280.6517°
    Mean Anomaly (M) 3.9636° 79.4147°
    Apogee 481.327 km 484.209 km
    Perigee 479.845 km 481.913 km
    Orbit Epoch 2026-09-11T08:00:04+0000 2026-09-09T21:18:37+0000

    STARLINK-4155 & STARLINK-5739 Collision Probability (Pc) Trend

    STARLINK-4155 & STARLINK-5739 Collision Probability (Pc) TrendNot Available

    STARLINK-4155 & STARLINK-5739 Miss Distance (Miss Distance) Trend

    STARLINK-4155 & STARLINK-5739 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4155Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5739Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4155Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5739Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4155

    No nearby objects data