Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.099766E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:12:04+0800
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    1 Object 1

    AOE ID 46082
    NORAD ID 46082
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63243
    NORAD ID 63243
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-1578 HERMES-2
    Time of Closest Approach 2026-09-05T20:16:30+0000
    Collision Probability (Pc) 2.099766E-4
    Conjunction Distance (km) 0.493 km
    Relative Speed (km/s) 14.563 km/s
    Conjunction Risk Parameters R (Radial): 0.318 | I (In-track): 0.1 | C (Cross-track): -0.362
    Collision Risk Index (CRI) 0.81
    X Position (km) 4573.472 4573.838
    Position Y (km) -3926.188 -3926.064
    Position Z (km) -3259.971 -3260.275
    Velocity X (km/s) 5.397 -3.444
    Velocity Y (km/s) 2.217 1.489
    Velocity Z (km/s) 4.91 -6.639

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1578 HERMES-2
    Semimajor Axis (a) 6848.858 km 6849.088 km
    Eccentricity (e) 0.000113 0.000418
    Inclination (i) 53.1620° 97.3770°
    RAAN 356.9168° 141.1929°
    Perigee Argument 56.2623° 169.9920°
    Mean Anomaly (M) 303.8486° 190.1406°
    Apogee 471.493 km 473.814 km
    Perigee 469.949 km 468.088 km
    Orbit Epoch 2026-09-02T21:57:52+0000 2026-09-03T15:37:29+0000

    STARLINK-1578 & HERMES-2 Collision Probability (Pc) Trend

    STARLINK-1578 & HERMES-2 Collision Probability (Pc) TrendNot Available

    STARLINK-1578 & HERMES-2 Miss Distance (Miss Distance) Trend

    STARLINK-1578 & HERMES-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1578Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1578Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1578

    No nearby objects data