Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.770874E-6
    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 68917
    NORAD ID 68917
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-37542
    Time of Closest Approach 2026-09-06T07:02:27+0000
    Collision Probability (Pc) 1.770874E-6
    Conjunction Distance (km) 2.416 km
    Relative Speed (km/s) 13.494 km/s
    Conjunction Risk Parameters R (Radial): -0.213 | I (In-track): 1.116 | C (Cross-track): -2.131
    Collision Risk Index (CRI) 0.4
    X Position (km) -590.713 -588.767
    Position Y (km) -6714.772 -6714.977
    Position Z (km) 1193.801 1192.385
    Velocity X (km/s) 6.843 -1.095
    Velocity Y (km/s) 0.004 -1.239
    Velocity Z (km/s) 3.389 -7.452

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-37542
    Semimajor Axis (a) 6849.347 km 6843.655 km
    Eccentricity (e) 0.000148 0.000238
    Inclination (i) 28.4725° 97.2852°
    RAAN 265.5388° 80.9605°
    Perigee Argument 291.5545° 84.0803°
    Mean Anomaly (M) 68.4894° 276.0711°
    Apogee 472.223 km 467.147 km
    Perigee 470.197 km 463.889 km
    Orbit Epoch 2026-09-03T10:08:14+0000 2026-09-03T12:31:40+0000

    HST & STARLINK-37542 Collision Probability (Pc) Trend

    HST & STARLINK-37542 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-37542 Miss Distance (Miss Distance) Trend

    HST & STARLINK-37542 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37542Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37542Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data