Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.470283E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T11:06:01+0800
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    1 Object 1

    AOE ID 49743
    NORAD ID 49743
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68845
    NORAD ID 68845
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3239 STARLINK-37539
    Time of Closest Approach 2026-09-12T23:20:22+0000
    Collision Probability (Pc) 1.470283E-6
    Conjunction Distance (km) 2.597 km
    Relative Speed (km/s) 12.244 km/s
    Conjunction Risk Parameters R (Radial): 2.519 | I (In-track): 0.382 | C (Cross-track): -0.507
    Collision Risk Index (CRI) 0.38
    X Position (km) 641.823 641.116
    Position Y (km) -4075.365 -4073.554
    Position Z (km) -5473.649 -5471.926
    Velocity X (km/s) 7.422 -0.661
    Velocity Y (km/s) 1.679 -6.125
    Velocity Z (km/s) -0.38 4.484

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3239 STARLINK-37539
    Semimajor Axis (a) 6848.877 km 6843.671 km
    Eccentricity (e) 0.000090 0.000171
    Inclination (i) 53.1617° 97.2811°
    RAAN 20.5886° 267.7713°
    Perigee Argument 96.4665° 122.1114°
    Mean Anomaly (M) 263.6439° 238.0295°
    Apogee 471.357 km 466.704 km
    Perigee 470.123 km 464.364 km
    Orbit Epoch 2026-09-11T17:59:35+0000 2026-09-11T13:07:09+0000

    STARLINK-3239 & STARLINK-37539 Collision Probability (Pc) Trend

    STARLINK-3239 & STARLINK-37539 Collision Probability (Pc) TrendNot Available

    STARLINK-3239 & STARLINK-37539 Miss Distance (Miss Distance) Trend

    STARLINK-3239 & STARLINK-37539 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3239Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37539Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3239Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37539Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3239

    No nearby objects data