Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.123864E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T20:05:01+0800
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    1 Object 1

    AOE ID 20891
    NORAD ID 20891
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63689
    NORAD ID 63689
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB HULIANWANG DIGUI-22
    Time of Closest Approach 2026-10-29T21:49:54+0000
    Collision Probability (Pc) 1.123864E-6
    Conjunction Distance (km) 2.489 km
    Relative Speed (km/s) 6.819 km/s
    Conjunction Risk Parameters R (Radial): 0.904 | I (In-track): -2.034 | C (Cross-track): -1.112
    Collision Risk Index (CRI) 0.36
    X Position (km) 377.991 376.946
    Position Y (km) -1744.326 -1742.094
    Position Z (km) 7324.414 7324.069
    Velocity X (km/s) -5.748 0.393
    Velocity Y (km/s) 4.125 7.068
    Velocity Z (km/s) 1.3 1.658

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB HULIANWANG DIGUI-22
    Semimajor Axis (a) 7391.607 km 7546.080 km
    Eccentricity (e) 0.021124 0.000148
    Inclination (i) 98.9770° 86.4989°
    RAAN 319.0587° 268.6393°
    Perigee Argument 278.2918° 86.1764°
    Mean Anomaly (M) 108.2949° 273.9539°
    Apogee 1169.614 km 1169.061 km
    Perigee 857.326 km 1166.825 km
    Orbit Epoch 2026-10-26T00:24:57+0000 2026-10-26T22:43:56+0000

    CZ-4 DEB & HULIANWANG DIGUI-22 Collision Probability (Pc) Trend

    CZ-4 DEB & HULIANWANG DIGUI-22 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & HULIANWANG DIGUI-22 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & HULIANWANG DIGUI-22 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-22Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-22Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data