Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.736684E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:41:25+0800
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    1 Object 1

    AOE ID 51996
    NORAD ID 51996
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53608
    NORAD ID 53608
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3538 STARLINK-4647
    Time of Closest Approach 2026-09-04T23:08:44+0000
    Collision Probability (Pc) 1.736684E-6
    Conjunction Distance (km) 2.327 km
    Relative Speed (km/s) 11.56 km/s
    Conjunction Risk Parameters R (Radial): -1.848 | I (In-track): -0.93 | C (Cross-track): 1.063
    Collision Risk Index (CRI) 0.4
    X Position (km) 3270.495 3268.408
    Position Y (km) -5351.979 -5351.273
    Position Z (km) 2729.487 2728.74
    Velocity X (km/s) 3.054 5.467
    Velocity Y (km/s) 4.578 0.628
    Velocity Z (km/s) 5.296 -5.296

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3538 STARLINK-4647
    Semimajor Axis (a) 6843.371 km 6839.389 km
    Eccentricity (e) 0.000117 0.000160
    Inclination (i) 53.1596° 53.1615°
    RAAN 294.8902° 151.5506°
    Perigee Argument 77.3249° 4.5487°
    Mean Anomaly (M) 282.7884° 355.5530°
    Apogee 466.037 km 462.349 km
    Perigee 464.431 km 460.155 km
    Orbit Epoch 2026-09-02T06:53:13+0000 2026-09-02T14:13:50+0000

    STARLINK-3538 & STARLINK-4647 Collision Probability (Pc) Trend

    STARLINK-3538 & STARLINK-4647 Collision Probability (Pc) TrendNot Available

    STARLINK-3538 & STARLINK-4647 Miss Distance (Miss Distance) Trend

    STARLINK-3538 & STARLINK-4647 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3538Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4647Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3538Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4647Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3538

    No nearby objects data