Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.185239E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:18:20+0800
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    1 Object 1

    AOE ID 47368
    NORAD ID 47368
    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-2084 HERMES 4
    Time of Closest Approach 2026-09-05T12:57:46+0000
    Collision Probability (Pc) 1.185239E-5
    Conjunction Distance (km) 1.266 km
    Relative Speed (km/s) 14.623 km/s
    Conjunction Risk Parameters R (Radial): 0.789 | I (In-track): 0.271 | C (Cross-track): 0.952
    Collision Risk Index (CRI) 0.56
    X Position (km) -5136.52 -5137.763
    Position Y (km) 3551.662 3551.434
    Position Z (km) -2820.963 -2820.904
    Velocity X (km/s) -0.912 -1.942
    Velocity Y (km/s) -5.469 2.648
    Velocity Z (km/s) -5.237 6.882

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2084 HERMES 4
    Semimajor Axis (a) 6848.865 km 6848.295 km
    Eccentricity (e) 0.000125 0.000096
    Inclination (i) 53.1590° 97.3754°
    RAAN 314.5319° 139.9158°
    Perigee Argument 103.7746° 324.3507°
    Mean Anomaly (M) 256.3395° 35.7670°
    Apogee 471.587 km 470.817 km
    Perigee 469.869 km 469.499 km
    Orbit Epoch 2026-09-03T14:37:56+0000 2026-09-03T10:54:13+0000

    STARLINK-2084 & HERMES 4 Collision Probability (Pc) Trend

    STARLINK-2084 & HERMES 4 Collision Probability (Pc) TrendNot Available

    STARLINK-2084 & HERMES 4 Miss Distance (Miss Distance) Trend

    STARLINK-2084 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2084Miss 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-2084Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2084

    No nearby objects data