Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.764851E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T20:54:45+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 68859
    NORAD ID 68859
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-37488
    Time of Closest Approach 2026-09-06T23:28:08+0000
    Collision Probability (Pc) 5.764851E-6
    Conjunction Distance (km) 1.412 km
    Relative Speed (km/s) 8.854 km/s
    Conjunction Risk Parameters R (Radial): -0.949 | I (In-track): 0.849 | C (Cross-track): -0.61
    Collision Risk Index (CRI) 0.5
    X Position (km) 943.42 942.783
    Position Y (km) 6660.389 6659.362
    Position Z (km) -1290.058 -1290.788
    Velocity X (km/s) -6.852 0.776
    Velocity Y (km/s) 0.325 -1.542
    Velocity Z (km/s) -3.344 -7.432

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-37488
    Semimajor Axis (a) 6849.331 km 6843.677 km
    Eccentricity (e) 0.000148 0.000197
    Inclination (i) 28.4724° 97.2853°
    RAAN 260.6336° 260.0986°
    Perigee Argument 300.8652° 86.1781°
    Mean Anomaly (M) 59.1798° 273.9686°
    Apogee 472.210 km 466.888 km
    Perigee 470.178 km 464.192 km
    Orbit Epoch 2026-09-04T03:20:24+0000 2026-09-03T16:20:07+0000

    HST & STARLINK-37488 Collision Probability (Pc) Trend

    HST & STARLINK-37488 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-37488 Miss Distance (Miss Distance) Trend

    HST & STARLINK-37488 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37488Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37488Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data