Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.540462E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T17:09:14+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 65665
    NORAD ID 65665
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-35115
    Time of Closest Approach 2026-10-24T19:05:06+0000
    Collision Probability (Pc) 9.540462E-6
    Conjunction Distance (km) 1.345 km
    Relative Speed (km/s) 14.501 km/s
    Conjunction Risk Parameters R (Radial): 0.064 | I (In-track): 0.422 | C (Cross-track): 1.276
    Collision Risk Index (CRI) 0.55
    X Position (km) -2771.693 -2771.584
    Position Y (km) 282.281 283.62
    Position Z (km) 6242.989 6243.046
    Velocity X (km/s) 6.83 -6.351
    Velocity Y (km/s) 1.722 3.039
    Velocity Z (km/s) 2.946 -2.951

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-35115
    Semimajor Axis (a) 6845.773 km 6843.675 km
    Eccentricity (e) 0.000474 0.000101
    Inclination (i) 97.3719° 97.2842°
    RAAN 189.9320° 336.3874°
    Perigee Argument 98.8616° 104.6234°
    Mean Anomaly (M) 261.3162° 255.5120°
    Apogee 470.879 km 466.226 km
    Perigee 464.393 km 464.850 km
    Orbit Epoch 2026-10-23T16:09:28+0000 2026-10-23T15:58:15+0000

    HERMES 4 & STARLINK-35115 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-35115 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-35115 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-35115 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35115Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35115Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data