Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.117808E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:20:52+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 53421
    NORAD ID 53421
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4339 STARLINK-4545
    Time of Closest Approach 2026-09-11T10:52:12+0000
    Collision Probability (Pc) 2.117808E-6
    Conjunction Distance (km) 2.072 km
    Relative Speed (km/s) 10.535 km/s
    Conjunction Risk Parameters R (Radial): -1.874 | I (In-track): 0.633 | C (Cross-track): 0.616
    Collision Risk Index (CRI) 0.42
    X Position (km) -2062.267 -2061.006
    Position Y (km) -3710.582 -3709.285
    Position Z (km) -5383.955 -5382.945
    Velocity X (km/s) 1.48 7.173
    Velocity Y (km/s) 5.874 -2.291
    Velocity Z (km/s) -4.619 -1.168

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4339 STARLINK-4545
    Semimajor Axis (a) 6848.405 km 6848.864 km
    Eccentricity (e) 0.000228 0.000108
    Inclination (i) 97.2841° 53.1615°
    RAAN 69.8263° 353.1229°
    Perigee Argument 103.6793° 86.3921°
    Mean Anomaly (M) 152.6319° 273.7204°
    Apogee 471.831 km 471.467 km
    Perigee 468.705 km 469.987 km
    Orbit Epoch 2026-09-11T00:00:04+0000 2026-09-10T13:23:11+0000

    STARLINK-4339 & STARLINK-4545 Collision Probability (Pc) Trend

    STARLINK-4339 & STARLINK-4545 Collision Probability (Pc) TrendNot Available

    STARLINK-4339 & STARLINK-4545 Miss Distance (Miss Distance) Trend

    STARLINK-4339 & STARLINK-4545 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4339Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4545Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4339Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4545Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4339

    No nearby objects data