Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.114857E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:11:31+0800
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    1 Object 1

    AOE ID 53256
    NORAD ID 53256
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67266
    NORAD ID 67266
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-4147 OBJECT U
    Time of Closest Approach 2026-09-12T10:11:40+0000
    Collision Probability (Pc) 4.114857E-6
    Conjunction Distance (km) 1.681 km
    Relative Speed (km/s) 12.224 km/s
    Conjunction Risk Parameters R (Radial): 1.667 | I (In-track): -0.135 | C (Cross-track): -0.168
    Collision Risk Index (CRI) 0.47
    X Position (km) 3862.248 3863.013
    Position Y (km) -1490.843 -1491.298
    Position Z (km) -5493.96 -5495.385
    Velocity X (km/s) 2.271 4.941
    Velocity Y (km/s) 7.25 -3.649
    Velocity Z (km/s) -0.37 4.479

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4147 OBJECT U
    Semimajor Axis (a) 6874.601 km 6869.709 km
    Eccentricity (e) 0.000027 0.001514
    Inclination (i) 53.1606° 97.3898°
    RAAN 77.0318° 328.2704°
    Perigee Argument 27.7210° 62.4546°
    Mean Anomaly (M) 331.1756° 297.8228°
    Apogee 496.650 km 501.975 km
    Perigee 496.278 km 481.169 km
    Orbit Epoch 2026-09-11T22:00:02+0000 2026-09-11T17:06:15+0000

    STARLINK-4147 & OBJECT U Collision Probability (Pc) Trend

    STARLINK-4147 & OBJECT U Collision Probability (Pc) TrendNot Available

    STARLINK-4147 & OBJECT U Miss Distance (Miss Distance) Trend

    STARLINK-4147 & OBJECT U Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4147Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT UMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4147Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT UCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4147

    No nearby objects data