Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.740215E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:22:52+0800
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    1 Object 1

    AOE ID 46484
    NORAD ID 46484
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68980
    NORAD ID 68980
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter CZ-4B DEB PEARL-1B
    Time of Closest Approach 2026-09-12T14:48:08+0000
    Collision Probability (Pc) 5.740215E-6
    Conjunction Distance (km) 1.57 km
    Relative Speed (km/s) 14.64 km/s
    Conjunction Risk Parameters R (Radial): -1.567 | I (In-track): 0.015 | C (Cross-track): 0.079
    Collision Risk Index (CRI) 0.5
    X Position (km) 2909.333 2908.624
    Position Y (km) -2504.626 -2504.121
    Position Z (km) -5827.542 -5826.236
    Velocity X (km/s) 3.44 -5.838
    Velocity Y (km/s) -5.357 2.59
    Velocity Z (km/s) 4.034 -4.032

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB PEARL-1B
    Semimajor Axis (a) 6947.887 km 6973.420 km
    Eccentricity (e) 0.003665 0.000606
    Inclination (i) 97.6139° 97.7241°
    RAAN 305.6132° 149.2820°
    Perigee Argument 106.3705° 214.6885°
    Mean Anomaly (M) 254.1553° 145.3939°
    Apogee 595.217 km 599.510 km
    Perigee 544.283 km 591.056 km
    Orbit Epoch 2026-09-10T14:59:59+0000 2026-09-10T16:38:17+0000

    CZ-4B DEB & PEARL-1B Collision Probability (Pc) Trend

    CZ-4B DEB & PEARL-1B Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & PEARL-1B Miss Distance (Miss Distance) Trend

    CZ-4B DEB & PEARL-1B Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PEARL-1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    PEARL-1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data