Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.721135E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T07:37:53+0800
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    1 Object 1

    AOE ID 63243
    NORAD ID 63243
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 69707
    NORAD ID 69707
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES-2 STARLINK-37975
    Time of Closest Approach 2026-10-18T23:55:21+0000
    Collision Probability (Pc) 5.721135E-6
    Conjunction Distance (km) 1.564 km
    Relative Speed (km/s) 14.301 km/s
    Conjunction Risk Parameters R (Radial): 0.662 | I (In-track): -0.509 | C (Cross-track): 1.323
    Collision Risk Index (CRI) 0.5
    X Position (km) -2426.954 -2426.416
    Position Y (km) 559.957 561.287
    Position Z (km) 6367.272 6366.65
    Velocity X (km/s) 7.091 -5.895
    Velocity Y (km/s) 1.125 4.093
    Velocity Z (km/s) 2.6 -2.602

    Orbital Parameters 国际轨道数据源

    Parameter HERMES-2 STARLINK-37975
    Semimajor Axis (a) 6847.493 km 6843.647 km
    Eccentricity (e) 0.000578 0.000050
    Inclination (i) 97.3715° 97.2859°
    RAAN 185.9972° 326.9638°
    Perigee Argument 51.9577° 110.1751°
    Mean Anomaly (M) 308.2186° 249.9546°
    Apogee 473.316 km 465.854 km
    Perigee 465.396 km 465.166 km
    Orbit Epoch 2026-10-18T15:46:55+0000 2026-10-18T01:31:10+0000

    HERMES-2 & STARLINK-37975 Collision Probability (Pc) Trend

    HERMES-2 & STARLINK-37975 Collision Probability (Pc) TrendNot Available

    HERMES-2 & STARLINK-37975 Miss Distance (Miss Distance) Trend

    HERMES-2 & STARLINK-37975 Miss Distance (Miss Distance) TrendNot Available

    HERMES-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37975Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37975Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES-2

    No nearby objects data