Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.72854E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:08:12+0800
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    1 Object 1

    AOE ID 52550
    NORAD ID 52550
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-3965 HERMES-3
    Time of Closest Approach 2026-09-03T04:12:30+0000
    Collision Probability (Pc) 4.72854E-6
    Conjunction Distance (km) 1.597 km
    Relative Speed (km/s) 11.865 km/s
    Conjunction Risk Parameters R (Radial): 0.945 | I (In-track): 0.814 | C (Cross-track): -0.996
    Collision Risk Index (CRI) 0.48
    X Position (km) -2734.055 -2733.619
    Position Y (km) 3053.821 3054.532
    Position Z (km) 5467.301 5465.94
    Velocity X (km/s) -5.661 5.202
    Velocity Y (km/s) -5.128 -3.362
    Velocity Z (km/s) 0.033 4.467

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3965 HERMES-3
    Semimajor Axis (a) 6840.864 km 6834.902 km
    Eccentricity (e) 0.000083 0.000500
    Inclination (i) 53.1613° 97.3733°
    RAAN 48.5264° 140.7812°
    Perigee Argument 97.9186° 190.2492°
    Mean Anomaly (M) 262.1912° 169.8651°
    Apogee 463.299 km 460.180 km
    Perigee 462.155 km 453.350 km
    Orbit Epoch 2026-09-01T20:33:15+0000 2026-09-02T04:31:43+0000

    STARLINK-3965 & HERMES-3 Collision Probability (Pc) Trend

    STARLINK-3965 & HERMES-3 Collision Probability (Pc) TrendNot Available

    STARLINK-3965 & HERMES-3 Miss Distance (Miss Distance) Trend

    STARLINK-3965 & HERMES-3 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3965Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES-3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3965Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3965

    No nearby objects data