Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.258894E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:11:22+0800
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    1 Object 1

    AOE ID 53201
    NORAD ID 53201
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65074
    NORAD ID 65074
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4405 STARLINK-34780
    Time of Closest Approach 2026-09-14T15:17:20+0000
    Collision Probability (Pc) 4.258894E-7
    Conjunction Distance (km) 2.405 km
    Relative Speed (km/s) 0.759 km/s
    Conjunction Risk Parameters R (Radial): -0.855 | I (In-track): 2.246 | C (Cross-track): 0.101
    Collision Risk Index (CRI) 0.28
    X Position (km) -705.008 -706.77
    Position Y (km) -585.094 -583.748
    Position Z (km) 6763.507 6762.577
    Velocity X (km/s) -6.093 -6.514
    Velocity Y (km/s) 4.602 3.98
    Velocity Z (km/s) -0.237 -0.339

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4405 STARLINK-34780
    Semimajor Axis (a) 6833.259 km 6897.617 km
    Eccentricity (e) 0.000058 0.000222
    Inclination (i) 97.4990° 97.2831°
    RAAN 320.2284° 326.2647°
    Perigee Argument 127.2220° 109.7137°
    Mean Anomaly (M) 232.9077° 177.9250°
    Apogee 455.520 km 521.012 km
    Perigee 454.724 km 517.948 km
    Orbit Epoch 2026-09-11T18:08:26+0000 2026-09-11T22:00:02+0000

    STARLINK-4405 & STARLINK-34780 Collision Probability (Pc) Trend

    STARLINK-4405 & STARLINK-34780 Collision Probability (Pc) TrendNot Available

    STARLINK-4405 & STARLINK-34780 Miss Distance (Miss Distance) Trend

    STARLINK-4405 & STARLINK-34780 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4405Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34780Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4405Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34780Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4405

    No nearby objects data