Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.174176E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:50:12+0800
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    1 Object 1

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

    2 Object 2

    Name KOYOH
    AOE ID 58464
    NORAD ID 58464
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter ZHANGHENG 1 KOYOH
    Time of Closest Approach 2026-10-27T21:33:44+0000
    Collision Probability (Pc) 1.174176E-6
    Conjunction Distance (km) 2.94 km
    Relative Speed (km/s) 11.254 km/s
    Conjunction Risk Parameters R (Radial): 0.473 | I (In-track): -1.951 | C (Cross-track): -2.146
    Collision Risk Index (CRI) 0.36
    X Position (km) -1195.83 -1197.317
    Position Y (km) 649.886 647.392
    Position Z (km) -6755.288 -6755.747
    Velocity X (km/s) -2.345 7.298
    Velocity Y (km/s) 7.139 1.779
    Velocity Z (km/s) 1.092 -1.128

    Orbital Parameters 国际轨道数据源

    Parameter ZHANGHENG 1 KOYOH
    Semimajor Axis (a) 6880.642 km 6885.685 km
    Eccentricity (e) 0.001432 0.000628
    Inclination (i) 97.6971° 97.5193°
    RAAN 108.6539° 11.9266°
    Perigee Argument 172.5438° 194.2254°
    Mean Anomaly (M) 187.6013° 165.8804°
    Apogee 512.362 km 511.873 km
    Perigee 492.648 km 503.223 km
    Orbit Epoch 2026-10-27T06:08:00+0000 2026-10-27T06:11:26+0000

    ZHANGHENG 1 & KOYOH Collision Probability (Pc) Trend

    ZHANGHENG 1 & KOYOH Collision Probability (Pc) TrendNot Available

    ZHANGHENG 1 & KOYOH Miss Distance (Miss Distance) Trend

    ZHANGHENG 1 & KOYOH Miss Distance (Miss Distance) TrendNot Available

    ZHANGHENG 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KOYOHMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ZHANGHENG 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    KOYOHCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ZHANGHENG 1

    No nearby objects data