Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.341344E-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 65659
    NORAD ID 65659
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3947 STARLINK-35120
    Time of Closest Approach 2026-09-12T15:54:51+0000
    Collision Probability (Pc) 1.341344E-6
    Conjunction Distance (km) 2.924 km
    Relative Speed (km/s) 14.049 km/s
    Conjunction Risk Parameters R (Radial): -2.523 | I (In-track): 0.585 | C (Cross-track): -1.357
    Collision Risk Index (CRI) 0.38
    X Position (km) -1618.217 -1618.623
    Position Y (km) 4703.332 4700.679
    Position Z (km) -4716 -4714.839
    Velocity X (km/s) -6.916 2.94
    Velocity Y (km/s) 0.741 -4.446
    Velocity Z (km/s) 3.115 -5.447

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3947 STARLINK-35120
    Semimajor Axis (a) 6848.861 km 6843.699 km
    Eccentricity (e) 0.000134 0.000244
    Inclination (i) 53.1595° 97.2850°
    RAAN 157.8865° 295.1571°
    Perigee Argument 97.8606° 85.2765°
    Mean Anomaly (M) 262.2548° 274.8757°
    Apogee 471.644 km 467.234 km
    Perigee 469.804 km 463.890 km
    Orbit Epoch 2026-09-11T21:22:49+0000 2026-09-11T20:08:52+0000

    STARLINK-3947 & STARLINK-35120 Collision Probability (Pc) Trend

    STARLINK-3947 & STARLINK-35120 Collision Probability (Pc) TrendNot Available

    STARLINK-3947 & STARLINK-35120 Miss Distance (Miss Distance) Trend

    STARLINK-3947 & STARLINK-35120 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3947Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35120Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3947Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35120Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3947

    No nearby objects data