Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.088893E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:41:57+0800
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    1 Object 1

    AOE ID 52542
    NORAD ID 52542
    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-3937 HERMES-3
    Time of Closest Approach 2026-09-07T11:21:07+0000
    Collision Probability (Pc) 3.088893E-6
    Conjunction Distance (km) 1.9 km
    Relative Speed (km/s) 13.494 km/s
    Conjunction Risk Parameters R (Radial): 1.665 | I (In-track): -0.42 | C (Cross-track): 0.812
    Collision Risk Index (CRI) 0.45
    X Position (km) -3268.262 -3267.628
    Position Y (km) 3009.312 3007.76
    Position Z (km) 5192.39 5191.497
    Velocity X (km/s) -6.423 5.213
    Velocity Y (km/s) -3.666 -2.749
    Velocity Z (km/s) -1.913 4.857

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3937 HERMES-3
    Semimajor Axis (a) 6840.891 km 6834.724 km
    Eccentricity (e) 0.000094 0.000531
    Inclination (i) 53.1614° 97.3732°
    RAAN 34.4762° 143.2621°
    Perigee Argument 92.4342° 180.7096°
    Mean Anomaly (M) 267.6768° 179.4142°
    Apogee 463.398 km 460.215 km
    Perigee 462.110 km 452.959 km
    Orbit Epoch 2026-09-04T01:35:33+0000 2026-09-04T15:55:32+0000

    STARLINK-3937 & HERMES-3 Collision Probability (Pc) Trend

    STARLINK-3937 & HERMES-3 Collision Probability (Pc) TrendNot Available

    STARLINK-3937 & HERMES-3 Miss Distance (Miss Distance) Trend

    STARLINK-3937 & HERMES-3 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3937Miss 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-3937Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3937

    No nearby objects data