Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.512955E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T17:09:16+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 64111
    NORAD ID 64111
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-34148
    Time of Closest Approach 2026-10-24T22:05:23+0000
    Collision Probability (Pc) 1.512955E-6
    Conjunction Distance (km) 2.707 km
    Relative Speed (km/s) 14.375 km/s
    Conjunction Risk Parameters R (Radial): 2.164 | I (In-track): -0.547 | C (Cross-track): 1.531
    Collision Risk Index (CRI) 0.39
    X Position (km) -5436.15 -5438.479
    Position Y (km) -530.205 -529.002
    Position Z (km) 4119.65 4120.325
    Velocity X (km/s) 4.408 -2.471
    Velocity Y (km/s) 1.663 -6.001
    Velocity Z (km/s) 6.009 -4.021

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-34148
    Semimajor Axis (a) 6845.773 km 6848.921 km
    Eccentricity (e) 0.000474 0.000077
    Inclination (i) 97.3719° 53.1593°
    RAAN 189.9320° 46.1702°
    Perigee Argument 98.8616° 85.2534°
    Mean Anomaly (M) 261.3162° 274.8555°
    Apogee 470.879 km 471.309 km
    Perigee 464.393 km 470.259 km
    Orbit Epoch 2026-10-23T16:09:28+0000 2026-10-23T14:12:01+0000

    HERMES 4 & STARLINK-34148 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-34148 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-34148 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-34148 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34148Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34148Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data