Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.156268E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T06:35:28+0800
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    1 Object 1

    AOE ID 43194
    NORAD ID 43194
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66708
    NORAD ID 66708
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter ZHANGHENG 1 FLOCK 4H 5
    Time of Closest Approach 2026-10-17T01:02:57+0000
    Collision Probability (Pc) 3.156268E-6
    Conjunction Distance (km) 1.806 km
    Relative Speed (km/s) 11.228 km/s
    Conjunction Risk Parameters R (Radial): 1.253 | I (In-track): 0.877 | C (Cross-track): 0.962
    Collision Risk Index (CRI) 0.45
    X Position (km) -1044.751 -1044.105
    Position Y (km) 844.141 845.291
    Position Z (km) -6752.826 -6754.06
    Velocity X (km/s) -0.933 7.505
    Velocity Y (km/s) 7.466 0.388
    Velocity Z (km/s) 1.068 -1.112

    Orbital Parameters 国际轨道数据源

    Parameter ZHANGHENG 1 FLOCK 4H 5
    Semimajor Axis (a) 6881.167 km 6878.561 km
    Eccentricity (e) 0.001345 0.000082
    Inclination (i) 97.6975° 97.4069°
    RAAN 95.4110° 359.0242°
    Perigee Argument 218.4701° 108.2396°
    Mean Anomaly (M) 141.5576° 251.8929°
    Apogee 512.284 km 500.991 km
    Perigee 493.776 km 499.857 km
    Orbit Epoch 2026-10-14T07:05:32+0000 2026-10-14T04:02:47+0000

    ZHANGHENG 1 & FLOCK 4H 5 Collision Probability (Pc) Trend

    ZHANGHENG 1 & FLOCK 4H 5 Collision Probability (Pc) TrendNot Available

    ZHANGHENG 1 & FLOCK 4H 5 Miss Distance (Miss Distance) Trend

    ZHANGHENG 1 & FLOCK 4H 5 Miss Distance (Miss Distance) TrendNot Available

    ZHANGHENG 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ZHANGHENG 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ZHANGHENG 1

    No nearby objects data