Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.268942E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:08:38+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 69348
    NORAD ID 69348
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HST STARLINK-37775
    Time of Closest Approach 2026-10-23T01:48:30+0000
    Collision Probability (Pc) 2.268942E-6
    Conjunction Distance (km) 1.953 km
    Relative Speed (km/s) 9.3 km/s
    Conjunction Risk Parameters R (Radial): -0.34 | I (In-track): -1.526 | C (Cross-track): -1.168
    Collision Risk Index (CRI) 0.42
    X Position (km) 5130.075 5129.629
    Position Y (km) -4019.017 -4019.886
    Position Z (km) 2089.591 2087.901
    Velocity X (km/s) 3.637 -2.452
    Velocity Y (km/s) 6.105 0.631
    Velocity Z (km/s) 2.795 7.202

    Orbital Parameters 国际轨道数据源

    Parameter HST STARLINK-37775
    Semimajor Axis (a) 6847.932 km 6843.636 km
    Eccentricity (e) 0.000216 0.000114
    Inclination (i) 28.4737° 97.2837°
    RAAN 303.5398° 321.8169°
    Perigee Argument 109.4637° 97.4095°
    Mean Anomaly (M) 250.6193° 262.7278°
    Apogee 471.274 km 466.282 km
    Perigee 468.316 km 464.716 km
    Orbit Epoch 2026-10-20T11:06:01+0000 2026-10-20T14:13:20+0000

    HST & STARLINK-37775 Collision Probability (Pc) Trend

    HST & STARLINK-37775 Collision Probability (Pc) TrendNot Available

    HST & STARLINK-37775 Miss Distance (Miss Distance) Trend

    HST & STARLINK-37775 Miss Distance (Miss Distance) TrendNot Available

    HSTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37775Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HSTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37775Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HST

    No nearby objects data