Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.528026E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:26:42+0800
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    1 Object 1

    AOE ID 58421
    NORAD ID 58421
    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-30902 STARLINK-31855
    Time of Closest Approach 2026-09-13T04:54:10+0000
    Collision Probability (Pc) 3.528026E-5
    Conjunction Distance (km) 0.848 km
    Relative Speed (km/s) 9.731 km/s
    Conjunction Risk Parameters R (Radial): -0.648 | I (In-track): 0.416 | C (Cross-track): -0.354
    Collision Risk Index (CRI) 0.66
    X Position (km) -488.403 -488.901
    Position Y (km) 6493.23 6492.578
    Position Z (km) 2153.526 2153.315
    Velocity X (km/s) -5.743 -5.973
    Velocity Y (km/s) -1.969 1.088
    Velocity Z (km/s) 4.618 -4.617

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30902 STARLINK-31855
    Semimajor Axis (a) 6861.205 km 6861.140 km
    Eccentricity (e) 0.000095 0.000020
    Inclination (i) 43.0020° 43.0001°
    RAAN 86.8426° 310.7674°
    Perigee Argument 271.1914° 151.5370°
    Mean Anomaly (M) 88.8829° 208.5492°
    Apogee 483.720 km 483.142 km
    Perigee 482.416 km 482.864 km
    Orbit Epoch 2026-09-10T20:17:22+0000 2026-09-10T10:19:56+0000

    STARLINK-30902 & STARLINK-31855 Collision Probability (Pc) Trend

    STARLINK-30902 & STARLINK-31855 Collision Probability (Pc) TrendNot Available

    STARLINK-30902 & STARLINK-31855 Miss Distance (Miss Distance) Trend

    STARLINK-30902 & STARLINK-31855 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30902Miss 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-30902Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31855Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30902

    No nearby objects data