Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.91384E-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 2026-09-13T12:20:46+0000
    Collision Probability (Pc) 9.91384E-7
    Conjunction Distance (km) 2.241 km
    Relative Speed (km/s) 3.885 km/s
    Conjunction Risk Parameters R (Radial): -0.362 | I (In-track): 2.138 | C (Cross-track): 0.566
    Collision Risk Index (CRI) 0.35
    X Position (km) 3971.109 3972.325
    Position Y (km) -3346.584 -3344.717
    Position Z (km) -4488.721 -4488.484
    Velocity X (km/s) 3.775 5.716
    Velocity Y (km/s) 6.45 4.817
    Velocity Z (km/s) -1.472 1.471

    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