Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.393811E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T05:21:33+0800
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    1 Object 1

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 67601
    NORAD ID 67601
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-36635
    Time of Closest Approach 2026-10-28T07:33:13+0000
    Collision Probability (Pc) 3.393811E-6
    Conjunction Distance (km) 1.884 km
    Relative Speed (km/s) 15.085 km/s
    Conjunction Risk Parameters R (Radial): 0.471 | I (In-track): 0.293 | C (Cross-track): -1.8
    Collision Risk Index (CRI) 0.46
    X Position (km) -5534.741 -5534.056
    Position Y (km) -913.394 -915.13
    Position Z (km) 3916.012 3915.751
    Velocity X (km/s) 4.075 -4.461
    Velocity Y (km/s) 1.883 0.459
    Velocity Z (km/s) 6.176 -6.179

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-36635
    Semimajor Axis (a) 6845.659 km 6843.632 km
    Eccentricity (e) 0.000481 0.000113
    Inclination (i) 97.3715° 97.2879°
    RAAN 192.4035° 3.1442°
    Perigee Argument 93.4486° 100.5741°
    Mean Anomaly (M) 266.7306° 259.5629°
    Apogee 470.814 km 466.266 km
    Perigee 464.230 km 464.724 km
    Orbit Epoch 2026-10-26T03:41:48+0000 2026-10-27T04:18:06+0000

    HERMES 4 & STARLINK-36635 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-36635 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-36635 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-36635 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36635Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36635Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data