Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.122539E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:12:45+0800
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    1 Object 1

    AOE ID 53537
    NORAD ID 53537
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63383
    NORAD ID 63383
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4120 STARLINK-33748
    Time of Closest Approach 2026-09-14T14:15:51+0000
    Collision Probability (Pc) 7.122539E-7
    Conjunction Distance (km) 2.656 km
    Relative Speed (km/s) 3.559 km/s
    Conjunction Risk Parameters R (Radial): 2.644 | I (In-track): 0.25 | C (Cross-track): -0.058
    Collision Risk Index (CRI) 0.32
    X Position (km) 4147.591 4149.15
    Position Y (km) 738.824 739.362
    Position Z (km) 5376.129 5378.21
    Velocity X (km/s) -2.684 0.076
    Velocity Y (km/s) 7.069 7.56
    Velocity Z (km/s) 1.096 -1.095

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4120 STARLINK-33748
    Semimajor Axis (a) 6837.869 km 6840.860 km
    Eccentricity (e) 0.000105 0.000136
    Inclination (i) 53.1608° 53.1587°
    RAAN 309.8943° 278.2047°
    Perigee Argument 85.0167° 89.0401°
    Mean Anomaly (M) 275.0956° 271.0758°
    Apogee 460.452 km 463.652 km
    Perigee 459.012 km 461.794 km
    Orbit Epoch 2026-09-11T20:18:20+0000 2026-09-11T09:13:51+0000

    STARLINK-4120 & STARLINK-33748 Collision Probability (Pc) Trend

    STARLINK-4120 & STARLINK-33748 Collision Probability (Pc) TrendNot Available

    STARLINK-4120 & STARLINK-33748 Miss Distance (Miss Distance) Trend

    STARLINK-4120 & STARLINK-33748 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4120Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33748Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4120Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33748Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4120

    No nearby objects data