Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.139258E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:09:04+0800
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    1 Object 1

    AOE ID 57442
    NORAD ID 57442
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59838
    NORAD ID 59838
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30146 STARLINK-31855
    Time of Closest Approach 2026-09-05T20:03:58+0000
    Collision Probability (Pc) 3.139258E-6
    Conjunction Distance (km) 1.181 km
    Relative Speed (km/s) 1.276 km/s
    Conjunction Risk Parameters R (Radial): 0.606 | I (In-track): 1.011 | C (Cross-track): 0.086
    Collision Risk Index (CRI) 0.45
    X Position (km) -2544.438 -2545.088
    Position Y (km) -4348.797 -4347.901
    Position Z (km) -4660.319 -4659.908
    Velocity X (km/s) 6.334 6.771
    Velocity Y (km/s) -4.208 -3.461
    Velocity Z (km/s) 0.469 -0.468

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30146 STARLINK-31855
    Semimajor Axis (a) 6861.203 km 6861.124 km
    Eccentricity (e) 0.000188 0.000285
    Inclination (i) 43.0044° 43.0042°
    RAAN 331.7608° 348.8027°
    Perigee Argument 270.2573° 283.1356°
    Mean Anomaly (M) 89.8064° 76.9177°
    Apogee 484.354 km 484.945 km
    Perigee 481.778 km 481.029 km
    Orbit Epoch 2026-09-04T05:12:15+0000 2026-09-03T16:41:49+0000

    STARLINK-30146 & STARLINK-31855 Collision Probability (Pc) Trend

    STARLINK-30146 & STARLINK-31855 Collision Probability (Pc) TrendNot Available

    STARLINK-30146 & STARLINK-31855 Miss Distance (Miss Distance) Trend

    STARLINK-30146 & STARLINK-31855 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30146Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31855Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30146Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31855Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30146

    No nearby objects data