Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.882937E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T04:36:36+0800
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    1 Object 1

    AOE ID 41728
    NORAD ID 41728
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69939
    NORAD ID 69939
    Object Type PAYLOAD
    Country
    DE DE

    Conjunction Constraints

    Parameter CZ-4C R/B CLOUDCT-PRECURSOR
    Time of Closest Approach 2026-10-16T02:38:58+0000
    Collision Probability (Pc) 1.882937E-6
    Conjunction Distance (km) 2.412 km
    Relative Speed (km/s) 14.879 km/s
    Conjunction Risk Parameters R (Radial): -0.014 | I (In-track): -0.446 | C (Cross-track): 2.37
    Collision Risk Index (CRI) 0.4
    X Position (km) -4982.973 -4982.962
    Position Y (km) -30.672 -33.083
    Position Z (km) 4871.299 4871.274
    Velocity X (km/s) -5.201 5.191
    Velocity Y (km/s) 1.437 1.46
    Velocity Z (km/s) -5.347 5.3

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B CLOUDCT-PRECURSOR
    Semimajor Axis (a) 7033.683 km 6967.710 km
    Eccentricity (e) 0.009791 0.000937
    Inclination (i) 97.9471° 97.7470°
    RAAN 351.5492° 187.0962°
    Perigee Argument 165.3636° 182.3125°
    Mean Anomaly (M) 195.0443° 177.8052°
    Apogee 724.411 km 596.099 km
    Perigee 586.681 km 583.047 km
    Orbit Epoch 2026-10-15T03:11:35+0000 2026-10-15T03:55:30+0000

    CZ-4C R/B & CLOUDCT-PRECURSOR Collision Probability (Pc) Trend

    CZ-4C R/B & CLOUDCT-PRECURSOR Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & CLOUDCT-PRECURSOR Miss Distance (Miss Distance) Trend

    CZ-4C R/B & CLOUDCT-PRECURSOR Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    CLOUDCT-PRECURSORMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    CLOUDCT-PRECURSORCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data