Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.325764E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:07:34+0800
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    1 Object 1

    AOE ID 52607
    NORAD ID 52607
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65245
    NORAD ID 65245
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3947 STARLINK-34977
    Time of Closest Approach 2026-09-13T14:38:27+0000
    Collision Probability (Pc) 1.325764E-6
    Conjunction Distance (km) 2.969 km
    Relative Speed (km/s) 14.224 km/s
    Conjunction Risk Parameters R (Radial): -2.935 | I (In-track): -0.17 | C (Cross-track): -0.407
    Collision Risk Index (CRI) 0.37
    X Position (km) 1746.652 1745.59
    Position Y (km) -4882.75 -4880.919
    Position Z (km) 4464.273 4462.192
    Velocity X (km/s) 6.716 -2.859
    Velocity Y (km/s) -0.838 4.202
    Velocity Z (km/s) -3.534 5.698

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3947 STARLINK-34977
    Semimajor Axis (a) 6848.861 km 6843.669 km
    Eccentricity (e) 0.000134 0.000158
    Inclination (i) 53.1595° 97.2835°
    RAAN 157.8865° 294.2562°
    Perigee Argument 97.8606° 92.8717°
    Mean Anomaly (M) 262.2548° 267.2706°
    Apogee 471.644 km 466.612 km
    Perigee 469.804 km 464.452 km
    Orbit Epoch 2026-09-11T21:22:49+0000 2026-09-11T20:10:39+0000

    STARLINK-3947 & STARLINK-34977 Collision Probability (Pc) Trend

    STARLINK-3947 & STARLINK-34977 Collision Probability (Pc) TrendNot Available

    STARLINK-3947 & STARLINK-34977 Miss Distance (Miss Distance) Trend

    STARLINK-3947 & STARLINK-34977 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3947Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34977Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3947Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34977Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3947

    No nearby objects data