Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.349557E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T05:49:52+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 69346
    NORAD ID 69346
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-37773
    Time of Closest Approach 2026-10-19T09:03:37+0000
    Collision Probability (Pc) 2.349557E-5
    Conjunction Distance (km) 1.031 km
    Relative Speed (km/s) 13.99 km/s
    Conjunction Risk Parameters R (Radial): -0.201 | I (In-track): -0.394 | C (Cross-track): -0.93
    Collision Risk Index (CRI) 0.62
    X Position (km) -2080.695 -2080.917
    Position Y (km) 637.139 636.15
    Position Z (km) 6480.949 6480.762
    Velocity X (km/s) 7.236 -5.459
    Velocity Y (km/s) 1.004 4.85
    Velocity Z (km/s) 2.218 -2.224

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-37773
    Semimajor Axis (a) 6846.114 km 6843.654 km
    Eccentricity (e) 0.000457 0.000048
    Inclination (i) 97.3707° 97.2842°
    RAAN 184.4030° 319.7526°
    Perigee Argument 109.9305° 88.6836°
    Mean Anomaly (M) 250.2430° 271.4462°
    Apogee 471.107 km 465.848 km
    Perigee 464.847 km 465.186 km
    Orbit Epoch 2026-10-18T02:58:18+0000 2026-10-18T12:14:10+0000

    HERMES 4 & STARLINK-37773 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-37773 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-37773 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-37773 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37773Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37773Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data