Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.519935E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T23:50:39+0800
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    1 Object 1

    AOE ID 48473
    NORAD ID 48473
    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-2658 HERMES-2
    Time of Closest Approach 2026-10-16T22:49:44+0000
    Collision Probability (Pc) 5.519935E-5
    Conjunction Distance (km) 0.718 km
    Relative Speed (km/s) 8.647 km/s
    Conjunction Risk Parameters R (Radial): -0.691 | I (In-track): -0.161 | C (Cross-track): 0.104
    Collision Risk Index (CRI) 0.7
    X Position (km) -4713.28 -4713.865
    Position Y (km) -987.421 -987.618
    Position Z (km) -4877.829 -4878.196
    Velocity X (km/s) -1.429 -5.498
    Velocity Y (km/s) -6.946 0.27
    Velocity Z (km/s) 2.789 5.268

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2658 HERMES-2
    Semimajor Axis (a) 6848.825 km 6847.613 km
    Eccentricity (e) 0.000156 0.000590
    Inclination (i) 53.1590° 97.3717°
    RAAN 244.8395° 183.3312°
    Perigee Argument 106.6962° 58.4106°
    Mean Anomaly (M) 253.4210° 301.7711°
    Apogee 471.756 km 473.520 km
    Perigee 469.620 km 465.432 km
    Orbit Epoch 2026-10-16T04:18:38+0000 2026-10-15T23:31:00+0000

    STARLINK-2658 & HERMES-2 Collision Probability (Pc) Trend

    STARLINK-2658 & HERMES-2 Collision Probability (Pc) TrendNot Available

    STARLINK-2658 & HERMES-2 Miss Distance (Miss Distance) Trend

    STARLINK-2658 & HERMES-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2658Miss 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-2658Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2658

    No nearby objects data