Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.569849E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:02:05+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 68391
    NORAD ID 68391
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-37216
    Time of Closest Approach 2026-09-12T15:29:44+0000
    Collision Probability (Pc) 3.569849E-6
    Conjunction Distance (km) 1.804 km
    Relative Speed (km/s) 13.524 km/s
    Conjunction Risk Parameters R (Radial): -1.792 | I (In-track): -0.08 | C (Cross-track): -0.183
    Collision Risk Index (CRI) 0.46
    X Position (km) 5369.823 5368.499
    Position Y (km) 4141.082 4139.864
    Position Z (km) -964.735 -964.607
    Velocity X (km/s) -4.526 1.435
    Velocity Y (km/s) 5.065 -0.127
    Velocity Z (km/s) -3.478 7.493

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-37216
    Semimajor Axis (a) 6849.139 km 6843.658 km
    Eccentricity (e) 0.000174 0.000087
    Inclination (i) 28.4728° 97.2865°
    RAAN 212.0253° 34.9871°
    Perigee Argument 28.7294° 97.5607°
    Mean Anomaly (M) 331.3398° 262.5734°
    Apogee 472.196 km 466.116 km
    Perigee 469.808 km 464.926 km
    Orbit Epoch 2026-09-11T05:47:59+0000 2026-09-11T00:22:46+0000

    HST & STARLINK-37216 Collision Probability (Pc) Trend

    HST & STARLINK-37216 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-37216 Miss Distance (Miss Distance) Trend

    HST & STARLINK-37216 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37216Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37216Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data