Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.846594E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:20:49+0800
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    1 Object 1

    AOE ID 47390
    NORAD ID 47390
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53054
    NORAD ID 53054
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2111 STARLINK-4339
    Time of Closest Approach 2026-09-12T11:52:28+0000
    Collision Probability (Pc) 4.846594E-6
    Conjunction Distance (km) 1.652 km
    Relative Speed (km/s) 14.429 km/s
    Conjunction Risk Parameters R (Radial): -1.325 | I (In-track): -0.303 | C (Cross-track): -0.936
    Collision Risk Index (CRI) 0.49
    X Position (km) -2277.923 -2277.459
    Position Y (km) -5186.728 -5187.856
    Position Z (km) -3857.462 -3858.575
    Velocity X (km/s) 3.877 0.632
    Velocity Y (km/s) -4.926 4.348
    Velocity Z (km/s) 4.339 -6.228

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2111 STARLINK-4339
    Semimajor Axis (a) 6848.900 km 6848.405 km
    Eccentricity (e) 0.000124 0.000228
    Inclination (i) 53.1586° 97.2841°
    RAAN 286.6755° 69.8263°
    Perigee Argument 82.6298° 103.6793°
    Mean Anomaly (M) 277.4843° 152.6319°
    Apogee 471.610 km 471.831 km
    Perigee 469.916 km 468.705 km
    Orbit Epoch 2026-09-10T09:57:25+0000 2026-09-11T00:00:04+0000

    STARLINK-2111 & STARLINK-4339 Collision Probability (Pc) Trend

    STARLINK-2111 & STARLINK-4339 Collision Probability (Pc) TrendNot Available

    STARLINK-2111 & STARLINK-4339 Miss Distance (Miss Distance) Trend

    STARLINK-2111 & STARLINK-4339 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2111Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4339Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2111Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4339Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2111

    No nearby objects data