Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.412561E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T17:29:43+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 65542
    NORAD ID 65542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-35100
    Time of Closest Approach 2026-10-20T12:54:35+0000
    Collision Probability (Pc) 2.412561E-6
    Conjunction Distance (km) 1.939 km
    Relative Speed (km/s) 9.957 km/s
    Conjunction Risk Parameters R (Radial): 1.701 | I (In-track): -0.709 | C (Cross-track): -0.601
    Collision Risk Index (CRI) 0.43
    X Position (km) 6262.188 6264.021
    Position Y (km) -404.204 -404.832
    Position Z (km) 2726.227 2726.19
    Velocity X (km/s) -0.399 -3.082
    Velocity Y (km/s) 7.362 -0.859
    Velocity Z (km/s) 1.996 6.931

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-35100
    Semimajor Axis (a) 6847.955 km 6843.626 km
    Eccentricity (e) 0.000216 0.000092
    Inclination (i) 28.4737° 97.2906°
    RAAN 308.4466° 358.9061°
    Perigee Argument 102.7271° 259.4753°
    Mean Anomaly (M) 257.3567° 100.6386°
    Apogee 471.298 km 466.121 km
    Perigee 468.338 km 464.857 km
    Orbit Epoch 2026-10-19T17:54:10+0000 2026-10-19T22:42:44+0000

    HST & STARLINK-35100 Collision Probability (Pc) Trend

    HST & STARLINK-35100 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-35100 Miss Distance (Miss Distance) Trend

    HST & STARLINK-35100 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35100Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35100Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data