Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    5.742489E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:39:20+0800
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    1 Object 1

    AOE ID 62625
    NORAD ID 62625
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter FLOCK 4G 12 HERMES 4
    Time of Closest Approach 2026-09-06T14:48:36+0000
    Collision Probability (Pc) 5.742489E-4
    Conjunction Distance (km) 0.276 km
    Relative Speed (km/s) 15.101 km/s
    Conjunction Risk Parameters R (Radial): -0.054 | I (In-track): 0.052 | C (Cross-track): -0.264
    Collision Risk Index (CRI) 0.9
    X Position (km) 5052.826 5053.007
    Position Y (km) -3269.718 -3269.515
    Position Z (km) 3265.903 3265.94
    Velocity X (km/s) -3.639 2.425
    Velocity Y (km/s) 1.023 -2.896
    Velocity Z (km/s) 6.632 -6.631

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4G 12 HERMES 4
    Semimajor Axis (a) 6851.995 km 6848.257 km
    Eccentricity (e) 0.000478 0.000090
    Inclination (i) 97.3975° 97.3754°
    RAAN 328.7199° 140.8915°
    Perigee Argument 48.6702° 314.0717°
    Mean Anomaly (M) 311.4949° 46.0451°
    Apogee 477.135 km 470.737 km
    Perigee 470.581 km 469.503 km
    Orbit Epoch 2026-09-04T04:38:01+0000 2026-09-04T10:25:09+0000

    FLOCK 4G 12 & HERMES 4 Collision Probability (Pc) Trend

    FLOCK 4G 12 & HERMES 4 Collision Probability (Pc) TrendNot Available

    FLOCK 4G 12 & HERMES 4 Miss Distance (Miss Distance) Trend

    FLOCK 4G 12 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4G 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4G 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4G 12

    No nearby objects data