Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.501223E-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 2026-09-04T13:46:29+0000
    Collision Probability (Pc) 8.501223E-6
    Conjunction Distance (km) 1.354 km
    Relative Speed (km/s) 12.668 km/s
    Conjunction Risk Parameters R (Radial): -0.295 | I (In-track): 0.729 | C (Cross-track): 1.102
    Collision Risk Index (CRI) 0.54
    X Position (km) -4516.733 -4517.481
    Position Y (km) 4265.26 4264.622
    Position Z (km) -2885.281 -2884.351
    Velocity X (km/s) -4.503 -1.577
    Velocity Y (km/s) -5.919 2.954
    Velocity Z (km/s) -1.701 6.853

    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