Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.353887E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:13:05+0800
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    1 Object 1

    AOE ID 43627
    NORAD ID 43627
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66315
    NORAD ID 66315
    Object Type PAYLOAD
    Country
    ESA ESA

    Conjunction Constraints

    Parameter CZ-4C DEB SENTINEL-1D
    Time of Closest Approach 2026-10-18T19:41:53+0000
    Collision Probability (Pc) 1.353887E-6
    Conjunction Distance (km) 2.663 km
    Relative Speed (km/s) 11.377 km/s
    Conjunction Risk Parameters R (Radial): -1.052 | I (In-track): 1.609 | C (Cross-track): 1.843
    Collision Risk Index (CRI) 0.38
    X Position (km) -1552.89 -1551.708
    Position Y (km) 851.401 853.527
    Position Z (km) 6841.326 6840.243
    Velocity X (km/s) 7.011 -3.186
    Velocity Y (km/s) 2.47 6.622
    Velocity Z (km/s) 1.319 -1.546

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C DEB SENTINEL-1D
    Semimajor Axis (a) 7153.629 km 7073.899 km
    Eccentricity (e) 0.012105 0.000137
    Inclination (i) 100.5840° 98.1822°
    RAAN 196.7235° 297.0688°
    Perigee Argument 58.1443° 90.9416°
    Mean Anomaly (M) 303.1451° 269.1941°
    Apogee 862.089 km 696.732 km
    Perigee 688.895 km 694.792 km
    Orbit Epoch 2026-10-18T04:16:23+0000 2026-10-18T11:00:14+0000

    CZ-4C DEB & SENTINEL-1D Collision Probability (Pc) Trend

    CZ-4C DEB & SENTINEL-1D Collision Probability (Pc) TrendNot Available

    CZ-4C DEB & SENTINEL-1D Miss Distance (Miss Distance) Trend

    CZ-4C DEB & SENTINEL-1D Miss Distance (Miss Distance) TrendNot Available

    CZ-4C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SENTINEL-1DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SENTINEL-1DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C DEB

    No nearby objects data