Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.504094E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:07:32+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 68295
    NORAD ID 68295
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3947 STARLINK-37147
    Time of Closest Approach 2026-09-12T14:06:48+0000
    Collision Probability (Pc) 1.504094E-6
    Conjunction Distance (km) 2.67 km
    Relative Speed (km/s) 13.729 km/s
    Conjunction Risk Parameters R (Radial): -2.441 | I (In-track): -0.468 | C (Cross-track): -0.973
    Collision Risk Index (CRI) 0.39
    X Position (km) 4057.304 4055.867
    Position Y (km) 2259.512 2257.719
    Position Z (km) -5041.244 -5039.885
    Velocity X (km/s) -5.559 5.503
    Velocity Y (km/s) 4.626 1.43
    Velocity Z (km/s) -2.403 5.074

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3947 STARLINK-37147
    Semimajor Axis (a) 6848.861 km 6843.656 km
    Eccentricity (e) 0.000134 0.000248
    Inclination (i) 53.1595° 97.2864°
    RAAN 157.8865° 20.1608°
    Perigee Argument 97.8606° 101.5878°
    Mean Anomaly (M) 262.2548° 258.5643°
    Apogee 471.644 km 467.218 km
    Perigee 469.804 km 463.820 km
    Orbit Epoch 2026-09-11T21:22:49+0000 2026-09-11T14:49:49+0000

    STARLINK-3947 & STARLINK-37147 Collision Probability (Pc) Trend

    STARLINK-3947 & STARLINK-37147 Collision Probability (Pc) TrendNot Available

    STARLINK-3947 & STARLINK-37147 Miss Distance (Miss Distance) Trend

    STARLINK-3947 & STARLINK-37147 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3947Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37147Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3947Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37147Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3947

    No nearby objects data