Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.433838E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:20:47+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 65249
    NORAD ID 65249
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-34925
    Time of Closest Approach 2026-10-29T23:46:31+0000
    Collision Probability (Pc) 3.433838E-6
    Conjunction Distance (km) 1.778 km
    Relative Speed (km/s) 11.935 km/s
    Conjunction Risk Parameters R (Radial): -0.352 | I (In-track): 1.084 | C (Cross-track): 1.365
    Collision Risk Index (CRI) 0.46
    X Position (km) 5587.21 5586.814
    Position Y (km) -2279.005 -2277.562
    Position Z (km) 3225.338 3226.296
    Velocity X (km/s) 3.138 -3.722
    Velocity Y (km/s) 6.942 0.333
    Velocity Z (km/s) -0.532 6.658

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-34925
    Semimajor Axis (a) 6847.682 km 6843.678 km
    Eccentricity (e) 0.000192 0.000094
    Inclination (i) 28.4737° 97.2823°
    RAAN 252.2364° 339.6151°
    Perigee Argument 183.4227° 64.6041°
    Mean Anomaly (M) 176.6356° 295.5299°
    Apogee 470.864 km 466.185 km
    Perigee 468.226 km 464.897 km
    Orbit Epoch 2026-10-27T22:53:09+0000 2026-10-27T19:58:18+0000

    HST & STARLINK-34925 Collision Probability (Pc) Trend

    HST & STARLINK-34925 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-34925 Miss Distance (Miss Distance) Trend

    HST & STARLINK-34925 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34925Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34925Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data