Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.357725E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:01:39+0800
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    1 Object 1

    Name HST
    AOE ID 20580
    NORAD ID 20580
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67541
    NORAD ID 67541
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-36579
    Time of Closest Approach 2026-09-04T09:51:35+0000
    Collision Probability (Pc) 1.357725E-6
    Conjunction Distance (km) 2.776 km
    Relative Speed (km/s) 12.719 km/s
    Conjunction Risk Parameters R (Radial): -1.359 | I (In-track): 1.33 | C (Cross-track): -2.022
    Collision Risk Index (CRI) 0.38
    X Position (km) 4508.345 4509.179
    Position Y (km) -4289.898 -4288.204
    Position Z (km) 2849.083 2847.047
    Velocity X (km/s) 4.5 1.554
    Velocity Y (km/s) 5.909 -2.946
    Velocity Z (km/s) 1.772 -6.87

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-36579
    Semimajor Axis (a) 6849.347 km 6843.722 km
    Eccentricity (e) 0.000148 0.000172
    Inclination (i) 28.4725° 97.2841°
    RAAN 265.5388° 131.8342°
    Perigee Argument 291.5545° 72.7452°
    Mean Anomaly (M) 68.4894° 287.3980°
    Apogee 472.223 km 466.765 km
    Perigee 470.197 km 464.405 km
    Orbit Epoch 2026-09-03T10:08:14+0000 2026-09-03T03:25:46+0000

    HST & STARLINK-36579 Collision Probability (Pc) Trend

    HST & STARLINK-36579 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-36579 Miss Distance (Miss Distance) Trend

    HST & STARLINK-36579 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36579Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36579Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data