Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.807578E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-14T22:49:30+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 63864
    NORAD ID 63864
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-33863
    Time of Closest Approach 2026-10-14T21:41:32+0000
    Collision Probability (Pc) 6.807578E-6
    Conjunction Distance (km) 1.486 km
    Relative Speed (km/s) 14.469 km/s
    Conjunction Risk Parameters R (Radial): -1.485 | I (In-track): -0.006 | C (Cross-track): 0.047
    Collision Risk Index (CRI) 0.52
    X Position (km) 2797.301 2797.886
    Position Y (km) -746.317 -746.439
    Position Z (km) -6214.187 -6215.547
    Velocity X (km/s) -6.949 5.5
    Velocity Y (km/s) -0.541 4.92
    Velocity Z (km/s) -3.067 1.885

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-33863
    Semimajor Axis (a) 6846.365 km 6852.664 km
    Eccentricity (e) 0.000433 0.000307
    Inclination (i) 97.3713° 70.0019°
    RAAN 180.4351° 39.5586°
    Perigee Argument 117.9268° 275.6198°
    Mean Anomaly (M) 242.2413° 84.4627°
    Apogee 471.192 km 476.634 km
    Perigee 465.264 km 472.420 km
    Orbit Epoch 2026-10-14T03:23:06+0000 2026-10-13T17:46:59+0000

    HERMES 4 & STARLINK-33863 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-33863 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-33863 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-33863 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33863Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33863Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data