Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.934858E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T17:08:40+0800
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    1 Object 1

    AOE ID 58249
    NORAD ID 58249
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63834
    NORAD ID 63834
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-30873 HERMES-5
    Time of Closest Approach 2026-09-12T00:06:49+0000
    Collision Probability (Pc) 4.934858E-6
    Conjunction Distance (km) 1.638 km
    Relative Speed (km/s) 14.238 km/s
    Conjunction Risk Parameters R (Radial): 1.387 | I (In-track): 0.317 | C (Cross-track): -0.811
    Collision Risk Index (CRI) 0.49
    X Position (km) -5769.684 -5768.047
    Position Y (km) 3188.785 3188.751
    Position Z (km) -1906.715 -1906.735
    Velocity X (km/s) -1.607 -1.339
    Velocity Y (km/s) -5.742 1.905
    Velocity Z (km/s) -4.751 7.256

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30873 HERMES-5
    Semimajor Axis (a) 6861.212 km 6853.792 km
    Eccentricity (e) 0.000141 0.000349
    Inclination (i) 43.0023° 97.3846°
    RAAN 327.2376° 147.5524°
    Perigee Argument 255.4620° 176.5452°
    Mean Anomaly (M) 104.6075° 183.5813°
    Apogee 484.044 km 478.050 km
    Perigee 482.106 km 473.260 km
    Orbit Epoch 2026-09-09T11:35:32+0000 2026-09-10T15:13:24+0000

    STARLINK-30873 & HERMES-5 Collision Probability (Pc) Trend

    STARLINK-30873 & HERMES-5 Collision Probability (Pc) TrendNot Available

    STARLINK-30873 & HERMES-5 Miss Distance (Miss Distance) Trend

    STARLINK-30873 & HERMES-5 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30873Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES-5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30873Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30873

    No nearby objects data