Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.328013E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:35:38+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 48667
    NORAD ID 48667
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-2735
    Time of Closest Approach 2026-10-21T12:12:44+0000
    Collision Probability (Pc) 4.328013E-5
    Conjunction Distance (km) 0.796 km
    Relative Speed (km/s) 9.72 km/s
    Conjunction Risk Parameters R (Radial): -0.576 | I (In-track): -0.424 | C (Cross-track): -0.347
    Collision Risk Index (CRI) 0.68
    X Position (km) 4874.833 4875.628
    Position Y (km) -4639.723 -4639.742
    Position Z (km) 1249.727 1249.709
    Velocity X (km/s) 4.249 4.015
    Velocity Y (km/s) 5.379 2.605
    Velocity Z (km/s) 3.363 -5.949

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-2735
    Semimajor Axis (a) 6847.955 km 6848.199 km
    Eccentricity (e) 0.000216 0.000265
    Inclination (i) 28.4737° 53.1540°
    RAAN 308.4466° 154.5960°
    Perigee Argument 102.7271° 139.9987°
    Mean Anomaly (M) 257.3567° 220.1210°
    Apogee 471.298 km 471.876 km
    Perigee 468.338 km 468.248 km
    Orbit Epoch 2026-10-19T17:54:10+0000 2026-10-19T07:49:11+0000

    HST & STARLINK-2735 Collision Probability (Pc) Trend

    HST & STARLINK-2735 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-2735 Miss Distance (Miss Distance) Trend

    HST & STARLINK-2735 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2735Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2735Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data