Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.238556E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:14:33+0800
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    1 Object 1

    Name JD 1
    AOE ID 14728
    NORAD ID 14728
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 38039
    NORAD ID 38039
    Object Type ROCKET BODY
    Country
    CN CN

    Conjunction Constraints

    Parameter JD 1 CZ-4B R/B
    Time of Closest Approach 2026-10-22T20:16:29+0000
    Collision Probability (Pc) 1.238556E-6
    Conjunction Distance (km) 2.877 km
    Relative Speed (km/s) 11.789 km/s
    Conjunction Risk Parameters R (Radial): 2.307 | I (In-track): 1.039 | C (Cross-track): -1.369
    Collision Risk Index (CRI) 0.37
    X Position (km) -2139.199 -2138.644
    Position Y (km) 2318.47 2319.283
    Position Z (km) 6189.831 6187.128
    Velocity X (km/s) -4.856 6.087
    Velocity Y (km/s) -6.075 -2.999
    Velocity Z (km/s) 0.167 3.293

    Orbital Parameters 国际轨道数据源

    Parameter JD 1 CZ-4B R/B
    Semimajor Axis (a) 7358.114 km 6893.438 km
    Eccentricity (e) 0.073602 0.011962
    Inclination (i) 63.3131° 98.4511°
    RAAN 60.3951° 146.3122°
    Perigee Argument 130.4849° 299.3582°
    Mean Anomaly (M) 236.2768° 59.5743°
    Apogee 1521.546 km 597.764 km
    Perigee 438.408 km 432.838 km
    Orbit Epoch 2026-10-19T18:34:53+0000 2026-10-19T20:44:57+0000

    JD 1 & CZ-4B R/B Collision Probability (Pc) Trend

    JD 1 & CZ-4B R/B Collision Probability (Pc) TrendNot Available

    JD 1 & CZ-4B R/B Miss Distance (Miss Distance) Trend

    JD 1 & CZ-4B R/B Miss Distance (Miss Distance) TrendNot Available

    JD 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    JD 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with JD 1

    No nearby objects data