Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.132478E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T21:46:05+0800
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    1 Object 1

    AOE ID 38310
    NORAD ID 38310
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 40011
    NORAD ID 40011
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter CZ-4B DEB HODOYOSHI 4
    Time of Closest Approach 2026-10-30T15:47:14+0000
    Collision Probability (Pc) 2.132478E-6
    Conjunction Distance (km) 2.231 km
    Relative Speed (km/s) 14.029 km/s
    Conjunction Risk Parameters R (Radial): 1.713 | I (In-track): -0.53 | C (Cross-track): -1.327
    Collision Risk Index (CRI) 0.42
    X Position (km) -598.056 -596.51
    Position Y (km) 2572.042 2571.703
    Position Z (km) 6470.941 6469.369
    Velocity X (km/s) 1.511 4.037
    Velocity Y (km/s) 6.948 -5.792
    Velocity Z (km/s) -2.643 2.659

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB HODOYOSHI 4
    Semimajor Axis (a) 7061.806 km 6981.088 km
    Eccentricity (e) 0.009907 0.002248
    Inclination (i) 98.7194° 97.5466°
    RAAN 259.9281° 121.3639°
    Perigee Argument 132.7378° 216.0098°
    Mean Anomaly (M) 41.4623° 143.9606°
    Apogee 753.627 km 618.644 km
    Perigee 613.711 km 587.258 km
    Orbit Epoch 2026-10-29T15:27:15+0000 2026-10-29T23:20:32+0000

    CZ-4B DEB & HODOYOSHI 4 Collision Probability (Pc) Trend

    CZ-4B DEB & HODOYOSHI 4 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & HODOYOSHI 4 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & HODOYOSHI 4 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HODOYOSHI 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HODOYOSHI 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data