Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.388989E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:41:56+0800
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    1 Object 1

    AOE ID 52102
    NORAD ID 52102
    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-3709 HERMES-3
    Time of Closest Approach 2026-09-05T20:09:07+0000
    Collision Probability (Pc) 1.388989E-6
    Conjunction Distance (km) 2.902 km
    Relative Speed (km/s) 14.679 km/s
    Conjunction Risk Parameters R (Radial): 2.9 | I (In-track): 0.024 | C (Cross-track): -0.111
    Collision Risk Index (CRI) 0.38
    X Position (km) -5003.398 -5001.222
    Position Y (km) 3967.254 3965.665
    Position Z (km) 2454.427 2453.351
    Velocity X (km/s) -4.699 2.787
    Velocity Y (km/s) -2.533 -0.871
    Velocity Z (km/s) -5.461 7.055

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3709 HERMES-3
    Semimajor Axis (a) 6843.387 km 6834.724 km
    Eccentricity (e) 0.000101 0.000531
    Inclination (i) 53.1620° 97.3732°
    RAAN 348.5089° 143.2621°
    Perigee Argument 84.8090° 180.7096°
    Mean Anomaly (M) 275.3028° 179.4142°
    Apogee 465.944 km 460.215 km
    Perigee 464.556 km 452.959 km
    Orbit Epoch 2026-09-03T15:52:14+0000 2026-09-04T15:55:32+0000

    STARLINK-3709 & HERMES-3 Collision Probability (Pc) Trend

    STARLINK-3709 & HERMES-3 Collision Probability (Pc) TrendNot Available

    STARLINK-3709 & HERMES-3 Miss Distance (Miss Distance) Trend

    STARLINK-3709 & HERMES-3 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3709Miss 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-3709Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3709

    No nearby objects data