Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.583187E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:01:44+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 69694
    NORAD ID 69694
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-37953
    Time of Closest Approach 2026-09-04T10:27:35+0000
    Collision Probability (Pc) 2.583187E-5
    Conjunction Distance (km) 0.996 km
    Relative Speed (km/s) 13.509 km/s
    Conjunction Risk Parameters R (Radial): -0.87 | I (In-track): -0.219 | C (Cross-track): -0.43
    Collision Risk Index (CRI) 0.63
    X Position (km) -650.679 -650.202
    Position Y (km) 6733.969 6733.107
    Position Z (km) -1066.663 -1066.807
    Velocity X (km/s) -6.708 0.862
    Velocity Y (km/s) -1.191 1.259
    Velocity Z (km/s) -3.441 7.476

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-37953
    Semimajor Axis (a) 6849.347 km 6843.674 km
    Eccentricity (e) 0.000148 0.000189
    Inclination (i) 28.4725° 97.2854°
    RAAN 265.5388° 93.4608°
    Perigee Argument 291.5545° 93.6439°
    Mean Anomaly (M) 68.4894° 266.5019°
    Apogee 472.223 km 466.830 km
    Perigee 470.197 km 464.244 km
    Orbit Epoch 2026-09-03T10:08:14+0000 2026-09-03T12:34:25+0000

    HST & STARLINK-37953 Collision Probability (Pc) Trend

    HST & STARLINK-37953 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-37953 Miss Distance (Miss Distance) Trend

    HST & STARLINK-37953 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37953Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37953Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data