Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.445869E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-08T02:49:56+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 57175
    NORAD ID 57175
    Object Type PAYLOAD
    Country
    TBD TBD

    Conjunction Constraints

    Parameter HST OBJECT K
    Time of Closest Approach 2026-11-10T03:37:52+0000
    Collision Probability (Pc) 3.445869E-6
    Conjunction Distance (km) 1.816 km
    Relative Speed (km/s) 13.184 km/s
    Conjunction Risk Parameters R (Radial): -1.421 | I (In-track): -0.58 | C (Cross-track): -0.97
    Collision Risk Index (CRI) 0.46
    X Position (km) 6023.389 6022.257
    Position Y (km) 2369.2 2367.792
    Position Z (km) -2237.084 -2237.271
    Velocity X (km/s) -3.449 2.68
    Velocity Y (km/s) 6.27 -0.077
    Velocity Z (km/s) -2.65 7.146

    Orbital Parameters 国际轨道数据源

    Parameter HST OBJECT K
    Semimajor Axis (a) 6847.368 km 6847.328 km
    Eccentricity (e) 0.000183 0.000814
    Inclination (i) 28.4718° 97.4890°
    RAAN 181.3023° 15.9542°
    Perigee Argument 314.8174° 336.5538°
    Mean Anomaly (M) 45.2274° 23.5331°
    Apogee 470.483 km 474.762 km
    Perigee 467.979 km 463.620 km
    Orbit Epoch 2026-11-07T07:26:42+0000 2026-11-07T06:45:11+0000

    HST & OBJECT K Collision Probability (Pc) Trend

    HST & OBJECT K Collision Probability (Pc) TrendNot Available

    HST & OBJECT K Miss Distance (Miss Distance) Trend

    HST & OBJECT K Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT KMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT KCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data