Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.056128E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T22:29:42+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 65114
    NORAD ID 65114
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB HULIANWANG DIGUI-57
    Time of Closest Approach 2026-10-17T19:05:49+0000
    Collision Probability (Pc) 4.056128E-6
    Conjunction Distance (km) 1.502 km
    Relative Speed (km/s) 7.054 km/s
    Conjunction Risk Parameters R (Radial): 0.755 | I (In-track): -1.14 | C (Cross-track): 0.62
    Collision Risk Index (CRI) 0.47
    X Position (km) 511.161 510.857
    Position Y (km) -6495.456 -6496.754
    Position Z (km) 3754.684 3753.992
    Velocity X (km/s) -1.568 5.194
    Velocity Y (km/s) 3.413 2.865
    Velocity Z (km/s) 6.156 4.227

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB HULIANWANG DIGUI-57
    Semimajor Axis (a) 7378.495 km 7527.418 km
    Eccentricity (e) 0.019763 0.000882
    Inclination (i) 98.9558° 50.0007°
    RAAN 278.8972° 247.4917°
    Perigee Argument 223.6596° 104.7831°
    Mean Anomaly (M) 165.2717° 255.4019°
    Apogee 1146.182 km 1155.917 km
    Perigee 854.534 km 1142.645 km
    Orbit Epoch 2026-10-16T22:03:19+0000 2026-10-17T06:15:48+0000

    CZ-4 DEB & HULIANWANG DIGUI-57 Collision Probability (Pc) Trend

    CZ-4 DEB & HULIANWANG DIGUI-57 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & HULIANWANG DIGUI-57 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & HULIANWANG DIGUI-57 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-57Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-57Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data