Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.977272E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T08:09:41+0800
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    1 Object 1

    AOE ID 51462
    NORAD ID 51462
    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-3166 HERMES 4
    Time of Closest Approach 2026-10-15T09:05:56+0000
    Collision Probability (Pc) 7.977272E-6
    Conjunction Distance (km) 1.422 km
    Relative Speed (km/s) 14.719 km/s
    Conjunction Risk Parameters R (Radial): 1.331 | I (In-track): -0.14 | C (Cross-track): -0.481
    Collision Risk Index (CRI) 0.53
    X Position (km) -6649.161 -6650.436
    Position Y (km) -401.737 -401.348
    Position Z (km) -1602.921 -1603.414
    Velocity X (km/s) 1.681 -1.817
    Velocity Y (km/s) -4.61 0.898
    Velocity Z (km/s) -5.842 7.352

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3166 HERMES 4
    Semimajor Axis (a) 6848.877 km 6846.365 km
    Eccentricity (e) 0.000102 0.000433
    Inclination (i) 53.1603° 97.3713°
    RAAN 358.3961° 180.4351°
    Perigee Argument 94.7852° 117.9268°
    Mean Anomaly (M) 265.3266° 242.2413°
    Apogee 471.436 km 471.192 km
    Perigee 470.044 km 465.264 km
    Orbit Epoch 2026-10-14T05:37:15+0000 2026-10-14T03:23:06+0000

    STARLINK-3166 & HERMES 4 Collision Probability (Pc) Trend

    STARLINK-3166 & HERMES 4 Collision Probability (Pc) TrendNot Available

    STARLINK-3166 & HERMES 4 Miss Distance (Miss Distance) Trend

    STARLINK-3166 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3166Miss 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-3166Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3166

    No nearby objects data