Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.624798E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:08:12+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 64681
    NORAD ID 64681
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES-3 STARLINK-34553
    Time of Closest Approach 2026-09-04T16:08:10+0000
    Collision Probability (Pc) 1.624798E-6
    Conjunction Distance (km) 2.545 km
    Relative Speed (km/s) 13.69 km/s
    Conjunction Risk Parameters R (Radial): 0.466 | I (In-track): 1.119 | C (Cross-track): -2.237
    Collision Risk Index (CRI) 0.39
    X Position (km) -3232.742 -3233.56
    Position Y (km) 3232.715 3230.732
    Position Z (km) 5078.041 5079.409
    Velocity X (km/s) 4.98 -6.622
    Velocity Y (km/s) -2.908 -3.066
    Velocity Z (km/s) 5.006 -2.259

    Orbital Parameters 国际轨道数据源

    Parameter HERMES-3 STARLINK-34553
    Semimajor Axis (a) 6834.902 km 6840.754 km
    Eccentricity (e) 0.000500 0.000086
    Inclination (i) 97.3733° 53.1601°
    RAAN 140.7812° 25.8553°
    Perigee Argument 190.2492° 87.6339°
    Mean Anomaly (M) 169.8651° 272.4762°
    Apogee 460.180 km 463.207 km
    Perigee 453.350 km 462.027 km
    Orbit Epoch 2026-09-02T04:31:43+0000 2026-09-01T14:11:03+0000

    HERMES-3 & STARLINK-34553 Collision Probability (Pc) Trend

    HERMES-3 & STARLINK-34553 Collision Probability (Pc) TrendNot Available

    HERMES-3 & STARLINK-34553 Miss Distance (Miss Distance) Trend

    HERMES-3 & STARLINK-34553 Miss Distance (Miss Distance) TrendNot Available

    HERMES-3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34553Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES-3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34553Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES-3

    No nearby objects data