Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.916313E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T17:27:15+0800
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    1 Object 1

    AOE ID 29539
    NORAD ID 29539
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter CZ-4B DEB CLOUDCT-PRECURSOR
    Time of Closest Approach 2026-10-22T17:52:07+0000
    Collision Probability (Pc) 1.916313E-6
    Conjunction Distance (km) 2.392 km
    Relative Speed (km/s) 14.913 km/s
    Conjunction Risk Parameters R (Radial): 2.176 | I (In-track): 0.159 | C (Cross-track): -0.981
    Collision Risk Index (CRI) 0.41
    X Position (km) -5804.855 -5806.833
    Position Y (km) -984.506 -983.834
    Position Z (km) 3725.803 3726.965
    Velocity X (km/s) -4.148 3.748
    Velocity Y (km/s) 0.513 1.858
    Velocity Z (km/s) -6.279 6.299

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB CLOUDCT-PRECURSOR
    Semimajor Axis (a) 6929.248 km 6967.652 km
    Eccentricity (e) 0.006194 0.000999
    Inclination (i) 97.7267° 97.7469°
    RAAN 3.6332° 193.9583°
    Perigee Argument 350.9373° 159.6025°
    Mean Anomaly (M) 160.0217° 200.5595°
    Apogee 594.030 km 596.476 km
    Perigee 508.192 km 582.554 km
    Orbit Epoch 2026-10-21T16:21:29+0000 2026-10-22T03:14:36+0000

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

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

    CZ-4B DEB & CLOUDCT-PRECURSOR Miss Distance (Miss Distance) Trend

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

    CZ-4B DEBMiss 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-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CLOUDCT-PRECURSORCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data