Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.142579E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:26:42+0800
    View CDM
    Download CDM 1.0

    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 2026-09-13T18:14:27+0000
    Collision Probability (Pc) 6.142579E-6
    Conjunction Distance (km) 1.413 km
    Relative Speed (km/s) 9.725 km/s
    Conjunction Risk Parameters R (Radial): -0.265 | I (In-track): 1.065 | C (Cross-track): 0.89
    Collision Risk Index (CRI) 0.51
    X Position (km) 131.629 133.01
    Position Y (km) -6514.625 -6514.347
    Position Z (km) -2154.57 -2154.48
    Velocity X (km/s) 5.838 5.9
    Velocity Y (km/s) 1.642 -1.403
    Velocity Z (km/s) -4.617 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