Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.426703E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T22:07:59+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 63243
    NORAD ID 63243
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 64309
    NORAD ID 64309
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES-2 STARLINK-34370
    Time of Closest Approach 2026-10-21T23:26:21+0000
    Collision Probability (Pc) 1.426703E-6
    Conjunction Distance (km) 2.837 km
    Relative Speed (km/s) 14.601 km/s
    Conjunction Risk Parameters R (Radial): -0.746 | I (In-track): 0.791 | C (Cross-track): 2.621
    Collision Risk Index (CRI) 0.38
    X Position (km) -2804.931 -2804.966
    Position Y (km) -1263.151 -1260.648
    Position Z (km) -6126.714 -6128.048
    Velocity X (km/s) -6.839 6.397
    Velocity Y (km/s) -0.69 -3.496
    Velocity Z (km/s) 3.279 -2.209

    Orbital Parameters 国际轨道数据源

    Parameter HERMES-2 STARLINK-34370
    Semimajor Axis (a) 6847.438 km 6852.604 km
    Eccentricity (e) 0.000567 0.000374
    Inclination (i) 97.3716° 70.0013°
    RAAN 187.2976° 344.0213°
    Perigee Argument 48.8347° 269.1008°
    Mean Anomaly (M) 311.3383° 90.9739°
    Apogee 473.186 km 477.027 km
    Perigee 465.416 km 471.907 km
    Orbit Epoch 2026-10-19T23:07:49+0000 2026-10-19T13:52:22+0000

    HERMES-2 & STARLINK-34370 Collision Probability (Pc) Trend

    HERMES-2 & STARLINK-34370 Collision Probability (Pc) TrendNot Available

    HERMES-2 & STARLINK-34370 Miss Distance (Miss Distance) Trend

    HERMES-2 & STARLINK-34370 Miss Distance (Miss Distance) TrendNot Available

    HERMES-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34370Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34370Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES-2

    No nearby objects data