Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.682898E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:01:41+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 68806
    NORAD ID 68806
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-37370
    Time of Closest Approach 2026-09-05T23:16:00+0000
    Collision Probability (Pc) 2.682898E-6
    Conjunction Distance (km) 2 km
    Relative Speed (km/s) 13.373 km/s
    Conjunction Risk Parameters R (Radial): -0.955 | I (In-track): 0.854 | C (Cross-track): -1.535
    Collision Risk Index (CRI) 0.44
    X Position (km) 780.86 782.189
    Position Y (km) -6578.907 -6578.08
    Position Z (km) 1721.72 1720.476
    Velocity X (km/s) 6.792 -0.767
    Velocity Y (km/s) 1.619 -2.018
    Velocity Z (km/s) 3.093 -7.322

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-37370
    Semimajor Axis (a) 6849.347 km 6843.662 km
    Eccentricity (e) 0.000148 0.000217
    Inclination (i) 28.4725° 97.2867°
    RAAN 265.5388° 92.4667°
    Perigee Argument 291.5545° 98.9468°
    Mean Anomaly (M) 68.4894° 261.2020°
    Apogee 472.223 km 467.007 km
    Perigee 470.197 km 464.043 km
    Orbit Epoch 2026-09-03T10:08:14+0000 2026-09-03T12:36:12+0000

    HST & STARLINK-37370 Collision Probability (Pc) Trend

    HST & STARLINK-37370 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-37370 Miss Distance (Miss Distance) Trend

    HST & STARLINK-37370 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37370Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37370Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data