Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    6.220245E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:01:49+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 68769
    NORAD ID 68769
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-36379
    Time of Closest Approach 2026-09-13T17:37:38+0000
    Collision Probability (Pc) 6.220245E-4
    Conjunction Distance (km) 0.236 km
    Relative Speed (km/s) 11.686 km/s
    Conjunction Risk Parameters R (Radial): -0.148 | I (In-track): -0.126 | C (Cross-track): -0.133
    Collision Risk Index (CRI) 0.91
    X Position (km) 1882.885 1882.74
    Position Y (km) -5715.504 -5715.48
    Position Z (km) 3256.042 3255.858
    Velocity X (km/s) 7.283 -2.173
    Velocity Y (km/s) 2.294 3.08
    Velocity Z (km/s) -0.182 6.64

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-36379
    Semimajor Axis (a) 6849.139 km 6843.688 km
    Eccentricity (e) 0.000174 0.000119
    Inclination (i) 28.4728° 97.2829°
    RAAN 212.0253° 289.1728°
    Perigee Argument 28.7294° 102.9808°
    Mean Anomaly (M) 331.3398° 257.1568°
    Apogee 472.196 km 466.365 km
    Perigee 469.808 km 464.737 km
    Orbit Epoch 2026-09-11T05:47:59+0000 2026-09-10T15:53:48+0000

    HST & STARLINK-36379 Collision Probability (Pc) Trend

    HST & STARLINK-36379 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-36379 Miss Distance (Miss Distance) Trend

    HST & STARLINK-36379 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36379Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36379Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data