Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.837624E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T05:49:50+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 67885
    NORAD ID 67885
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-36826
    Time of Closest Approach 2026-10-21T01:51:48+0000
    Collision Probability (Pc) 9.837624E-6
    Conjunction Distance (km) 1.074 km
    Relative Speed (km/s) 4.945 km/s
    Conjunction Risk Parameters R (Radial): -0.275 | I (In-track): -0.98 | C (Cross-track): -0.338
    Collision Risk Index (CRI) 0.55
    X Position (km) -395.486 -396.398
    Position Y (km) 833.016 832.52
    Position Z (km) 6772.895 6772.625
    Velocity X (km/s) 7.561 5.381
    Velocity Y (km/s) 1.016 5.404
    Velocity Z (km/s) 0.315 -0.349

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-36826
    Semimajor Axis (a) 6846.114 km 6843.640 km
    Eccentricity (e) 0.000457 0.000083
    Inclination (i) 97.3707° 97.2858°
    RAAN 184.4030° 222.6723°
    Perigee Argument 109.9305° 139.2440°
    Mean Anomaly (M) 250.2430° 220.8865°
    Apogee 471.107 km 466.075 km
    Perigee 464.847 km 464.931 km
    Orbit Epoch 2026-10-18T02:58:18+0000 2026-10-18T06:07:23+0000

    HERMES 4 & STARLINK-36826 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-36826 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-36826 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-36826 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36826Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36826Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data