Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.811425E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:01:44+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 69038
    NORAD ID 69038
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-37466
    Time of Closest Approach 2026-09-05T18:36:21+0000
    Collision Probability (Pc) 2.811425E-6
    Conjunction Distance (km) 1.96 km
    Relative Speed (km/s) 13.258 km/s
    Conjunction Risk Parameters R (Radial): -0.617 | I (In-track): -0.93 | C (Cross-track): 1.611
    Collision Risk Index (CRI) 0.44
    X Position (km) 1676.054 1674.383
    Position Y (km) -6311.427 -6310.913
    Position Z (km) 2051.568 2052.453
    Velocity X (km/s) 6.571 -0.396
    Velocity Y (km/s) 2.668 -2.464
    Velocity Z (km/s) 2.831 -7.214

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-37466
    Semimajor Axis (a) 6849.347 km 6843.686 km
    Eccentricity (e) 0.000148 0.000217
    Inclination (i) 28.4725° 97.2851°
    RAAN 265.5388° 99.9525°
    Perigee Argument 291.5545° 75.4114°
    Mean Anomaly (M) 68.4894° 284.7369°
    Apogee 472.223 km 467.032 km
    Perigee 470.197 km 464.066 km
    Orbit Epoch 2026-09-03T10:08:14+0000 2026-09-03T03:15:26+0000

    HST & STARLINK-37466 Collision Probability (Pc) Trend

    HST & STARLINK-37466 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-37466 Miss Distance (Miss Distance) Trend

    HST & STARLINK-37466 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37466Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37466Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data