Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.56443E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:41:56+0800
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    1 Object 1

    AOE ID 63835
    NORAD ID 63835
    Object Type PAYLOAD
    Country
    IT IT
    VS

    2 Object 2

    AOE ID 64747
    NORAD ID 64747
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES-3 STARLINK-34589
    Time of Closest Approach 2026-09-05T20:17:34+0000
    Collision Probability (Pc) 2.56443E-6
    Conjunction Distance (km) 1.963 km
    Relative Speed (km/s) 11.535 km/s
    Conjunction Risk Parameters R (Radial): 1.163 | I (In-track): -1.033 | C (Cross-track): 1.197
    Collision Risk Index (CRI) 0.43
    X Position (km) -2881.562 -2882.086
    Position Y (km) 2928.24 2930.124
    Position Z (km) 5458.39 5458.558
    Velocity X (km/s) 5.348 -5.112
    Velocity Y (km/s) -3.111 -5.666
    Velocity Z (km/s) 4.477 0.341

    Orbital Parameters 国际轨道数据源

    Parameter HERMES-3 STARLINK-34589
    Semimajor Axis (a) 6834.724 km 6840.893 km
    Eccentricity (e) 0.000531 0.000109
    Inclination (i) 97.3732° 53.1611°
    RAAN 143.2621° 57.5486°
    Perigee Argument 180.7096° 101.6881°
    Mean Anomaly (M) 179.4142° 258.4244°
    Apogee 460.215 km 463.503 km
    Perigee 452.959 km 462.009 km
    Orbit Epoch 2026-09-04T15:55:32+0000 2026-09-04T04:50:09+0000

    HERMES-3 & STARLINK-34589 Collision Probability (Pc) Trend

    HERMES-3 & STARLINK-34589 Collision Probability (Pc) TrendNot Available

    HERMES-3 & STARLINK-34589 Miss Distance (Miss Distance) Trend

    HERMES-3 & STARLINK-34589 Miss Distance (Miss Distance) TrendNot Available

    HERMES-3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34589Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES-3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34589Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES-3

    No nearby objects data