Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.03474E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:11:47+0800
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    1 Object 1

    AOE ID 61945
    NORAD ID 61945
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62829
    NORAD ID 62829
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-11421 STARLINK-11548
    Time of Closest Approach 2026-09-12T09:05:15+0000
    Collision Probability (Pc) 1.03474E-6
    Conjunction Distance (km) 2.806 km
    Relative Speed (km/s) 8.109 km/s
    Conjunction Risk Parameters R (Radial): -1.644 | I (In-track): 1.931 | C (Cross-track): 1.2
    Collision Risk Index (CRI) 0.35
    X Position (km) 3833.77 3834.551
    Position Y (km) -3712.256 -3709.886
    Position Z (km) 4101.931 4100.647
    Velocity X (km/s) 6.259 3.636
    Velocity Y (km/s) 2.044 6.366
    Velocity Z (km/s) -3.988 2.352

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-11421 STARLINK-11548
    Semimajor Axis (a) 6737.708 km 6734.561 km
    Eccentricity (e) 0.000075 0.000151
    Inclination (i) 53.1573° 42.9981°
    RAAN 178.1388° 273.4801°
    Perigee Argument 118.4389° 204.0374°
    Mean Anomaly (M) 241.6705° 156.0424°
    Apogee 360.075 km 357.442 km
    Perigee 359.067 km 355.406 km
    Orbit Epoch 2026-09-10T22:55:29+0000 2026-09-10T04:56:17+0000

    STARLINK-11421 & STARLINK-11548 Collision Probability (Pc) Trend

    STARLINK-11421 & STARLINK-11548 Collision Probability (Pc) TrendNot Available

    STARLINK-11421 & STARLINK-11548 Miss Distance (Miss Distance) Trend

    STARLINK-11421 & STARLINK-11548 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-11421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11548Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-11421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11548Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-11421

    No nearby objects data