Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.068309E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T19:39:31+0800
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    1 Object 1

    AOE ID 20846
    NORAD ID 20846
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 65113
    NORAD ID 65113
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB HULIANWANG DIGUI-56
    Time of Closest Approach 2026-10-19T18:27:28+0000
    Collision Probability (Pc) 2.068309E-6
    Conjunction Distance (km) 1.926 km
    Relative Speed (km/s) 7.577 km/s
    Conjunction Risk Parameters R (Radial): -1.694 | I (In-track): -0.784 | C (Cross-track): 0.473
    Collision Risk Index (CRI) 0.41
    X Position (km) 547.701 547.309
    Position Y (km) -6108.894 -6108.042
    Position Z (km) 4354.285 4352.603
    Velocity X (km/s) -1.737 5.487
    Velocity Y (km/s) 3.963 3.107
    Velocity Z (km/s) 5.765 3.647

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB HULIANWANG DIGUI-56
    Semimajor Axis (a) 7378.492 km 7527.435 km
    Eccentricity (e) 0.019765 0.001106
    Inclination (i) 98.9559° 49.9980°
    RAAN 280.8007° 240.7347°
    Perigee Argument 218.2354° 120.1431°
    Mean Anomaly (M) 165.5574° 240.0538°
    Apogee 1146.190 km 1157.625 km
    Perigee 854.520 km 1140.971 km
    Orbit Epoch 2026-10-18T23:06:55+0000 2026-10-19T03:46:40+0000

    CZ-4 DEB & HULIANWANG DIGUI-56 Collision Probability (Pc) Trend

    CZ-4 DEB & HULIANWANG DIGUI-56 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & HULIANWANG DIGUI-56 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & HULIANWANG DIGUI-56 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-56Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-56Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data