Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.263224E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T08:59:59+0800
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    1 Object 1

    AOE ID 53232
    NORAD ID 53232
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-4371 HERMES 4
    Time of Closest Approach 2026-10-13T19:46:40+0000
    Collision Probability (Pc) 2.263224E-6
    Conjunction Distance (km) 2.21 km
    Relative Speed (km/s) 14.94 km/s
    Conjunction Risk Parameters R (Radial): 2.208 | I (In-track): -0.016 | C (Cross-track): 0.112
    Collision Risk Index (CRI) 0.42
    X Position (km) -4166.663 -4168.031
    Position Y (km) 687.786 687.899
    Position Z (km) 5378.275 5380.007
    Velocity X (km/s) -5.549 6.06
    Velocity Y (km/s) 2.505 0.608
    Velocity Z (km/s) -4.608 4.603

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4371 HERMES 4
    Semimajor Axis (a) 6843.679 km 6846.479 km
    Eccentricity (e) 0.000124 0.000422
    Inclination (i) 97.2825° 97.3719°
    RAAN 339.5590° 178.5487°
    Perigee Argument 109.9311° 121.6322°
    Mean Anomaly (M) 250.2065° 238.5332°
    Apogee 466.390 km 471.230 km
    Perigee 464.694 km 465.454 km
    Orbit Epoch 2026-10-12T02:30:18+0000 2026-10-12T05:56:25+0000

    STARLINK-4371 & HERMES 4 Collision Probability (Pc) Trend

    STARLINK-4371 & HERMES 4 Collision Probability (Pc) TrendNot Available

    STARLINK-4371 & HERMES 4 Miss Distance (Miss Distance) Trend

    STARLINK-4371 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4371Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4371Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4371

    No nearby objects data