Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.301273E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-10T08:23:15+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 68209
    NORAD ID 68209
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-36948
    Time of Closest Approach 2026-11-10T11:28:30+0000
    Collision Probability (Pc) 1.301273E-6
    Conjunction Distance (km) 1.81 km
    Relative Speed (km/s) 2.651 km/s
    Conjunction Risk Parameters R (Radial): 1.669 | I (In-track): 0.691 | C (Cross-track): -0.121
    Collision Risk Index (CRI) 0.37
    X Position (km) 296.572 297.168
    Position Y (km) -838.075 -837.66
    Position Z (km) -6796.938 -6795.281
    Velocity X (km/s) -6.749 -7.544
    Velocity Y (km/s) -3.519 -1.014
    Velocity Z (km/s) 0.141 -0.205

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-36948
    Semimajor Axis (a) 6844.847 km 6843.852 km
    Eccentricity (e) 0.000463 0.000294
    Inclination (i) 97.3714° 97.2838°
    RAAN 206.4558° 186.1914°
    Perigee Argument 64.6942° 89.8977°
    Mean Anomaly (M) 295.4779° 270.2602°
    Apogee 469.880 km 467.727 km
    Perigee 463.540 km 463.703 km
    Orbit Epoch 2026-11-09T06:05:58+0000 2026-11-09T04:33:03+0000

    HERMES 4 & STARLINK-36948 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-36948 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-36948 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-36948 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36948Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36948Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data