Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.157945E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T09:13:17+0800
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    1 Object 1

    Name Z-SAT
    AOE ID 49399
    NORAD ID 49399
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 64393
    NORAD ID 64393
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter Z-SAT ZHANGHENG 1-02
    Time of Closest Approach 2026-10-16T06:50:08+0000
    Collision Probability (Pc) 1.157945E-6
    Conjunction Distance (km) 2.927 km
    Relative Speed (km/s) 10.878 km/s
    Conjunction Risk Parameters R (Radial): -2.369 | I (In-track): 1.206 | C (Cross-track): -1.221
    Collision Risk Index (CRI) 0.36
    X Position (km) -162.89 -161.129
    Position Y (km) 1254.483 1254.255
    Position Z (km) -6776.133 -6773.807
    Velocity X (km/s) 5.924 4.592
    Velocity Y (km/s) -4.642 5.964
    Velocity Z (km/s) -1.014 0.999

    Orbital Parameters 国际轨道数据源

    Parameter Z-SAT ZHANGHENG 1-02
    Semimajor Axis (a) 6886.942 km 6880.707 km
    Eccentricity (e) 0.001609 0.000660
    Inclination (i) 97.3217° 97.3747°
    RAAN 318.9667° 51.9233°
    Perigee Argument 184.8250° 50.3556°
    Mean Anomaly (M) 175.2832° 309.8262°
    Apogee 519.886 km 507.113 km
    Perigee 497.724 km 498.027 km
    Orbit Epoch 2026-10-14T06:15:21+0000 2026-10-14T18:53:04+0000

    Z-SAT & ZHANGHENG 1-02 Collision Probability (Pc) Trend

    Z-SAT & ZHANGHENG 1-02 Collision Probability (Pc) TrendNot Available

    Z-SAT & ZHANGHENG 1-02 Miss Distance (Miss Distance) Trend

    Z-SAT & ZHANGHENG 1-02 Miss Distance (Miss Distance) TrendNot Available

    Z-SATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ZHANGHENG 1-02Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    Z-SATCollision Probability Trend

    Object 1 Probability TrendNot Available

    ZHANGHENG 1-02Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with Z-SAT

    No nearby objects data