Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.621308E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T05:09:36+0800
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    1 Object 1

    AOE ID 38326
    NORAD ID 38326
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name MARINA
    AOE ID 69920
    NORAD ID 69920
    Object Type PAYLOAD
    Country
    SK SK

    Conjunction Constraints

    Parameter CZ-4B DEB MARINA
    Time of Closest Approach 2026-10-16T21:12:03+0000
    Collision Probability (Pc) 3.621308E-6
    Conjunction Distance (km) 1.828 km
    Relative Speed (km/s) 14.648 km/s
    Conjunction Risk Parameters R (Radial): -0.849 | I (In-track): 0.414 | C (Cross-track): -1.564
    Collision Risk Index (CRI) 0.46
    X Position (km) -3702.904 -3702.352
    Position Y (km) 246.134 247.719
    Position Z (km) 5894.854 5894.13
    Velocity X (km/s) -6.024 6.313
    Velocity Y (km/s) 2.304 1.495
    Velocity Z (km/s) -3.966 3.888

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB MARINA
    Semimajor Axis (a) 6986.371 km 6969.004 km
    Eccentricity (e) 0.010710 0.000744
    Inclination (i) 97.6798° 97.7414°
    RAAN 343.0823° 187.4543°
    Perigee Argument 202.8095° 168.9365°
    Mean Anomaly (M) 156.8345° 191.2019°
    Apogee 683.060 km 596.051 km
    Perigee 533.408 km 585.683 km
    Orbit Epoch 2026-10-16T02:52:53+0000 2026-10-15T15:58:18+0000

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

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

    CZ-4B DEB & MARINA Miss Distance (Miss Distance) Trend

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

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    MARINAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    MARINACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data