Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.210012E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:38:43+0800
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    1 Object 1

    AOE ID 55346
    NORAD ID 55346
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58807
    NORAD ID 58807
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5631 STARLINK-31163
    Time of Closest Approach 2026-09-15T03:52:32+0000
    Collision Probability (Pc) 2.210012E-6
    Conjunction Distance (km) 1.995 km
    Relative Speed (km/s) 9.726 km/s
    Conjunction Risk Parameters R (Radial): 1.167 | I (In-track): 1.252 | C (Cross-track): 1.026
    Collision Risk Index (CRI) 0.42
    X Position (km) 5846.411 5844.703
    Position Y (km) -2860.842 -2861.808
    Position Z (km) 2162.449 2162.089
    Velocity X (km/s) 1.202 3.967
    Velocity Y (km/s) 5.954 4.602
    Velocity Z (km/s) 4.613 -4.613

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5631 STARLINK-31163
    Semimajor Axis (a) 6861.206 km 6860.586 km
    Eccentricity (e) 0.000176 0.000059
    Inclination (i) 43.0048° 43.0018°
    RAAN 329.3246° 191.5810°
    Perigee Argument 262.0545° 213.4154°
    Mean Anomaly (M) 98.0107° 146.6660°
    Apogee 484.276 km 482.857 km
    Perigee 481.862 km 482.041 km
    Orbit Epoch 2026-09-12T06:42:28+0000 2026-09-12T04:36:19+0000

    STARLINK-5631 & STARLINK-31163 Collision Probability (Pc) Trend

    STARLINK-5631 & STARLINK-31163 Collision Probability (Pc) TrendNot Available

    STARLINK-5631 & STARLINK-31163 Miss Distance (Miss Distance) Trend

    STARLINK-5631 & STARLINK-31163 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5631Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31163Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5631Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31163Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5631

    No nearby objects data