Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.150832E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T17:08:40+0800
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    1 Object 1

    AOE ID 59089
    NORAD ID 59089
    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-31307 HERMES-5
    Time of Closest Approach 2026-09-13T04:26:38+0000
    Collision Probability (Pc) 6.150832E-6
    Conjunction Distance (km) 1.53 km
    Relative Speed (km/s) 14.348 km/s
    Conjunction Risk Parameters R (Radial): 1.527 | I (In-track): 0.049 | C (Cross-track): -0.094
    Collision Risk Index (CRI) 0.51
    X Position (km) -5931.281 -5929.919
    Position Y (km) 3441.859 3441.17
    Position Z (km) 198.221 198.118
    Velocity X (km/s) -2.934 0.688
    Velocity Y (km/s) -4.746 0.733
    Velocity Z (km/s) -5.199 7.557

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31307 HERMES-5
    Semimajor Axis (a) 6861.163 km 6853.792 km
    Eccentricity (e) 0.000055 0.000349
    Inclination (i) 43.0028° 97.3846°
    RAAN 346.6101° 147.5524°
    Perigee Argument 209.4374° 176.5452°
    Mean Anomaly (M) 150.6448° 183.5813°
    Apogee 483.400 km 478.050 km
    Perigee 482.652 km 473.260 km
    Orbit Epoch 2026-09-10T12:54:02+0000 2026-09-10T15:13:24+0000

    STARLINK-31307 & HERMES-5 Collision Probability (Pc) Trend

    STARLINK-31307 & HERMES-5 Collision Probability (Pc) TrendNot Available

    STARLINK-31307 & HERMES-5 Miss Distance (Miss Distance) Trend

    STARLINK-31307 & HERMES-5 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31307Miss 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-31307Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31307

    No nearby objects data