Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.409555E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T14:06:33+0800
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    1 Object 1

    AOE ID 61870
    NORAD ID 61870
    Object Type UNKNOWN
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter OBJECT B HERMES 4
    Time of Closest Approach 2026-10-15T19:23:30+0000
    Collision Probability (Pc) 5.409555E-6
    Conjunction Distance (km) 1.611 km
    Relative Speed (km/s) 15.127 km/s
    Conjunction Risk Parameters R (Radial): 0.377 | I (In-track): 0.2 | C (Cross-track): 1.554
    Collision Risk Index (CRI) 0.5
    X Position (km) 6718.664 6719.049
    Position Y (km) 74.867 73.305
    Position Z (km) -1331.654 -1331.733
    Velocity X (km/s) 1.481 -1.45
    Velocity Y (km/s) -0.985 -1.013
    Velocity Z (km/s) 7.418 -7.421

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT B HERMES 4
    Semimajor Axis (a) 6844.712 km 6846.365 km
    Eccentricity (e) 0.000876 0.000433
    Inclination (i) 97.4054° 97.3713°
    RAAN 357.6601° 180.4351°
    Perigee Argument 256.9705° 117.9268°
    Mean Anomaly (M) 103.0559° 242.2413°
    Apogee 472.573 km 471.192 km
    Perigee 460.577 km 465.264 km
    Orbit Epoch 2026-10-14T07:24:45+0000 2026-10-14T03:23:06+0000

    OBJECT B & HERMES 4 Collision Probability (Pc) Trend

    OBJECT B & HERMES 4 Collision Probability (Pc) TrendNot Available

    OBJECT B & HERMES 4 Miss Distance (Miss Distance) Trend

    OBJECT B & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    OBJECT BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT BCollision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT B

    No nearby objects data