Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.465012E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:55:20+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 65521
    NORAD ID 65521
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3947 STARLINK-35187
    Time of Closest Approach 2026-09-12T18:25:22+0000
    Collision Probability (Pc) 1.465012E-6
    Conjunction Distance (km) 2.792 km
    Relative Speed (km/s) 14.7 km/s
    Conjunction Risk Parameters R (Radial): 2.708 | I (In-track): -0.192 | C (Cross-track): 0.651
    Collision Risk Index (CRI) 0.38
    X Position (km) 4984.595 4982.957
    Position Y (km) -4201.157 -4198.968
    Position Z (km) 2093.129 2092.565
    Velocity X (km/s) 4.49 -2.432
    Velocity Y (km/s) 2.501 0.72
    Velocity Z (km/s) -5.645 7.2

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3947 STARLINK-35187
    Semimajor Axis (a) 6848.860 km 6843.656 km
    Eccentricity (e) 0.000132 0.000100
    Inclination (i) 53.1596° 97.2850°
    RAAN 156.6719° 321.2024°
    Perigee Argument 97.8478° 102.7256°
    Mean Anomaly (M) 262.2673° 257.4099°
    Apogee 471.625 km 466.206 km
    Perigee 469.821 km 464.832 km
    Orbit Epoch 2026-09-12T03:38:40+0000 2026-09-11T17:17:14+0000

    STARLINK-3947 & STARLINK-35187 Collision Probability (Pc) Trend

    STARLINK-3947 & STARLINK-35187 Collision Probability (Pc) TrendNot Available

    STARLINK-3947 & STARLINK-35187 Miss Distance (Miss Distance) Trend

    STARLINK-3947 & STARLINK-35187 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3947Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35187Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3947Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35187Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3947

    No nearby objects data