Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.327946E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T19:06:10+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 69232
    NORAD ID 69232
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-37745
    Time of Closest Approach 2026-09-14T09:48:48+0000
    Collision Probability (Pc) 1.327946E-6
    Conjunction Distance (km) 2.873 km
    Relative Speed (km/s) 13.267 km/s
    Conjunction Risk Parameters R (Radial): -2.789 | I (In-track): -0.336 | C (Cross-track): 0.596
    Collision Risk Index (CRI) 0.37
    X Position (km) 944.281 944.476
    Position Y (km) -1509.175 -1508.196
    Position Z (km) -6619.517 -6616.824
    Velocity X (km/s) -6.583 0.254
    Velocity Y (km/s) 3.421 -7.413
    Velocity Z (km/s) -1.72 1.727

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-37745
    Semimajor Axis (a) 6847.883 km 6843.654 km
    Eccentricity (e) 0.000084 0.000169
    Inclination (i) 97.3747° 97.2823°
    RAAN 149.0214° 272.3278°
    Perigee Argument 218.2443° 89.1293°
    Mean Anomaly (M) 141.8740° 271.0143°
    Apogee 470.322 km 466.675 km
    Perigee 469.170 km 464.359 km
    Orbit Epoch 2026-09-12T14:22:20+0000 2026-09-13T01:15:37+0000

    HERMES 4 & STARLINK-37745 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-37745 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-37745 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-37745 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37745Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37745Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data