Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.059519E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T22:07:17+0800
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    1 Object 1

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 65236
    NORAD ID 65236
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-34938
    Time of Closest Approach 2026-10-21T05:41:36+0000
    Collision Probability (Pc) 3.059519E-6
    Conjunction Distance (km) 1.937 km
    Relative Speed (km/s) 14.429 km/s
    Conjunction Risk Parameters R (Radial): 1.367 | I (In-track): -0.449 | C (Cross-track): -1.296
    Collision Risk Index (CRI) 0.45
    X Position (km) 2697.025 2696.266
    Position Y (km) -465.459 -466.72
    Position Z (km) -6285.894 -6284.636
    Velocity X (km/s) -6.929 6.108
    Velocity Y (km/s) -1.288 -3.513
    Velocity Z (km/s) -2.88 2.886

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-34938
    Semimajor Axis (a) 6846.057 km 6843.688 km
    Eccentricity (e) 0.000462 0.000679
    Inclination (i) 97.3707° 97.2847°
    RAAN 185.4436° 330.7262°
    Perigee Argument 107.5329° 83.6446°
    Mean Anomaly (M) 252.6419° 276.5570°
    Apogee 471.086 km 470.200 km
    Perigee 464.754 km 460.902 km
    Orbit Epoch 2026-10-19T04:02:34+0000 2026-10-18T20:02:33+0000

    HERMES 4 & STARLINK-34938 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-34938 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-34938 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-34938 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34938Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34938Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data