Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.339521E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T16:45:44+0800
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    1 Object 1

    AOE ID 51121
    NORAD ID 51121
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67429
    NORAD ID 67429
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3399 STARLINK-36513
    Time of Closest Approach 2026-10-23T20:13:39+0000
    Collision Probability (Pc) 7.339521E-7
    Conjunction Distance (km) 2.902 km
    Relative Speed (km/s) 4.675 km/s
    Conjunction Risk Parameters R (Radial): -1.359 | I (In-track): -2.439 | C (Cross-track): -0.784
    Collision Risk Index (CRI) 0.32
    X Position (km) 2371.9 2374.772
    Position Y (km) -4424.273 -4424.442
    Position Z (km) -4678.564 -4678.94
    Velocity X (km/s) 6.908 6.678
    Velocity Y (km/s) 0.329 3.664
    Velocity Z (km/s) 3.193 -0.074

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3399 STARLINK-36513
    Semimajor Axis (a) 6860.104 km 6861.182 km
    Eccentricity (e) 0.000126 0.000171
    Inclination (i) 53.1665° 43.0032°
    RAAN 346.7987° 36.6456°
    Perigee Argument 86.9628° 299.0349°
    Mean Anomaly (M) 155.8543° 61.0332°
    Apogee 482.831 km 484.217 km
    Perigee 481.103 km 481.873 km
    Orbit Epoch 2026-10-22T22:00:03+0000 2026-10-22T13:14:20+0000

    STARLINK-3399 & STARLINK-36513 Collision Probability (Pc) Trend

    STARLINK-3399 & STARLINK-36513 Collision Probability (Pc) TrendNot Available

    STARLINK-3399 & STARLINK-36513 Miss Distance (Miss Distance) Trend

    STARLINK-3399 & STARLINK-36513 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36513Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3399Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36513Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3399

    No nearby objects data