Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.967842E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T09:02:53+0800
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    1 Object 1

    AOE ID 58415
    NORAD ID 58415
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59579
    NORAD ID 59579
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30949 STARLINK-31686
    Time of Closest Approach 2026-09-13T20:58:37+0000
    Collision Probability (Pc) 7.967842E-7
    Conjunction Distance (km) 2.54 km
    Relative Speed (km/s) 3.891 km/s
    Conjunction Risk Parameters R (Radial): 0.898 | I (In-track): 2.298 | C (Cross-track): -0.604
    Collision Risk Index (CRI) 0.33
    X Position (km) -3844.397 -3846.494
    Position Y (km) 3480.363 3479.056
    Position Z (km) 4482.28 4482.868
    Velocity X (km/s) -4.005 -5.892
    Velocity Y (km/s) -6.324 -4.615
    Velocity Z (km/s) 1.471 -1.47

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30949 STARLINK-31686
    Semimajor Axis (a) 6861.018 km 6861.201 km
    Eccentricity (e) 0.000091 0.000094
    Inclination (i) 43.0038° 43.0016°
    RAAN 82.8149° 37.8490°
    Perigee Argument 148.4659° 293.2337°
    Mean Anomaly (M) 211.6247° 66.8416°
    Apogee 483.508 km 483.707 km
    Perigee 482.254 km 482.421 km
    Orbit Epoch 2026-09-11T13:44:06+0000 2026-09-11T18:17:49+0000

    STARLINK-30949 & STARLINK-31686 Collision Probability (Pc) Trend

    STARLINK-30949 & STARLINK-31686 Collision Probability (Pc) TrendNot Available

    STARLINK-30949 & STARLINK-31686 Miss Distance (Miss Distance) Trend

    STARLINK-30949 & STARLINK-31686 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30949Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31686Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30949Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31686Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30949

    No nearby objects data