Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.673379E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:16:21+0800
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    1 Object 1

    AOE ID 48365
    NORAD ID 48365
    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 STARLINK-2608 HERMES 4
    Time of Closest Approach 2026-10-20T18:31:09+0000
    Collision Probability (Pc) 2.673379E-5
    Conjunction Distance (km) 1.003 km
    Relative Speed (km/s) 14.669 km/s
    Conjunction Risk Parameters R (Radial): 0.441 | I (In-track): -0.246 | C (Cross-track): -0.865
    Collision Risk Index (CRI) 0.64
    X Position (km) 6412.991 6412.391
    Position Y (km) 482.668 483.449
    Position Z (km) -2364.932 -2365.12
    Velocity X (km/s) 1.65 -2.514
    Velocity Y (km/s) 5.009 -1.234
    Velocity Z (km/s) 5.51 -7.094

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2608 HERMES 4
    Semimajor Axis (a) 6848.836 km 6846.057 km
    Eccentricity (e) 0.000113 0.000462
    Inclination (i) 53.1613° 97.3707°
    RAAN 27.2740° 185.4436°
    Perigee Argument 82.0561° 107.5329°
    Mean Anomaly (M) 278.0568° 252.6419°
    Apogee 471.471 km 471.086 km
    Perigee 469.927 km 464.754 km
    Orbit Epoch 2026-10-19T06:36:46+0000 2026-10-19T04:02:34+0000

    STARLINK-2608 & HERMES 4 Collision Probability (Pc) Trend

    STARLINK-2608 & HERMES 4 Collision Probability (Pc) TrendNot Available

    STARLINK-2608 & HERMES 4 Miss Distance (Miss Distance) Trend

    STARLINK-2608 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2608Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2608Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2608

    No nearby objects data