Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.27229E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:41:03+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 64165
    NORAD ID 64165
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-33793
    Time of Closest Approach 2026-09-04T02:42:33+0000
    Collision Probability (Pc) 1.27229E-6
    Conjunction Distance (km) 2.557 km
    Relative Speed (km/s) 9.14 km/s
    Conjunction Risk Parameters R (Radial): 0.627 | I (In-track): -1.988 | C (Cross-track): -1.479
    Collision Risk Index (CRI) 0.37
    X Position (km) -2507.228 -2507.888
    Position Y (km) 6093.857 6092.294
    Position Z (km) -1868.412 -1870.324
    Velocity X (km/s) -6.127 1.713
    Velocity Y (km/s) -3.434 -1.521
    Velocity Z (km/s) -2.985 -7.277

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-33793
    Semimajor Axis (a) 6849.371 km 6843.671 km
    Eccentricity (e) 0.000149 0.000090
    Inclination (i) 28.4726° 97.2831°
    RAAN 272.6734° 292.9412°
    Perigee Argument 278.0085° 98.4589°
    Mean Anomaly (M) 82.0342° 261.6756°
    Apogee 472.256 km 466.152 km
    Perigee 470.212 km 464.916 km
    Orbit Epoch 2026-09-02T09:06:54+0000 2026-09-02T13:50:16+0000

    HST & STARLINK-33793 Collision Probability (Pc) Trend

    HST & STARLINK-33793 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-33793 Miss Distance (Miss Distance) Trend

    HST & STARLINK-33793 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33793Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33793Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data