Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.834396E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T13:22:49+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 68310
    NORAD ID 68310
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-37148
    Time of Closest Approach 2026-09-13T10:12:44+0000
    Collision Probability (Pc) 1.834396E-6
    Conjunction Distance (km) 2.377 km
    Relative Speed (km/s) 13.579 km/s
    Conjunction Risk Parameters R (Radial): -0.562 | I (In-track): 1.055 | C (Cross-track): 2.054
    Collision Risk Index (CRI) 0.4
    X Position (km) 6326.976 6325.793
    Position Y (km) 2599.341 2600.912
    Position Z (km) -339.366 -338.034
    Velocity X (km/s) -2.714 0.705
    Velocity Y (km/s) 6.146 -0.757
    Velocity Z (km/s) -3.621 7.56

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-37148
    Semimajor Axis (a) 6849.109 km 6843.673 km
    Eccentricity (e) 0.000180 0.000251
    Inclination (i) 28.4730° 97.2857°
    RAAN 204.8906° 21.4741°
    Perigee Argument 40.2276° 118.1855°
    Mean Anomaly (M) 319.8454° 241.9642°
    Apogee 472.206 km 467.254 km
    Perigee 469.738 km 463.818 km
    Orbit Epoch 2026-09-12T06:49:14+0000 2026-09-12T21:41:46+0000

    HST & STARLINK-37148 Collision Probability (Pc) Trend

    HST & STARLINK-37148 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-37148 Miss Distance (Miss Distance) Trend

    HST & STARLINK-37148 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37148Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37148Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data