Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.516589E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T22:30:43+0800
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    1 Object 1

    AOE ID 39212
    NORAD ID 39212
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69937
    NORAD ID 69937
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter CZ-4C DEB LEONAV-1
    Time of Closest Approach 2026-10-21T08:35:46+0000
    Collision Probability (Pc) 9.516589E-6
    Conjunction Distance (km) 1.313 km
    Relative Speed (km/s) 12.832 km/s
    Conjunction Risk Parameters R (Radial): 1.313 | I (In-track): -0.01 | C (Cross-track): 0.023
    Collision Risk Index (CRI) 0.55
    X Position (km) 1725.26 1724.93
    Position Y (km) -537.857 -537.78
    Position Z (km) -6738.701 -6737.433
    Velocity X (km/s) 4.688 -7.111
    Velocity Y (km/s) -5.681 -1.897
    Velocity Z (km/s) 1.655 -1.678

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C DEB LEONAV-1
    Semimajor Axis (a) 6971.124 km 6966.445 km
    Eccentricity (e) 0.000245 0.001091
    Inclination (i) 97.9397° 97.7406°
    RAAN 310.1913° 191.5323°
    Perigee Argument 305.8811° 159.2078°
    Mean Anomaly (M) 54.2179° 200.9587°
    Apogee 594.698 km 595.912 km
    Perigee 591.276 km 580.704 km
    Orbit Epoch 2026-10-20T05:34:18+0000 2026-10-19T16:50:51+0000

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

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

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

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

    CZ-4C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEONAV-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEONAV-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C DEB

    No nearby objects data