Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.131873E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:16:21+0800
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    1 Object 1

    AOE ID 38355
    NORAD ID 38355
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 56053
    NORAD ID 56053
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter CZ-4C R/B ONEWEB-0551
    Time of Closest Approach 2026-09-13T15:08:32+0000
    Collision Probability (Pc) 1.131873E-6
    Conjunction Distance (km) 2.976 km
    Relative Speed (km/s) 10.83 km/s
    Conjunction Risk Parameters R (Radial): 0.22 | I (In-track): -1.967 | C (Cross-track): -2.221
    Collision Risk Index (CRI) 0.36
    X Position (km) 847.869 845.027
    Position Y (km) 986.661 986.04
    Position Z (km) 7458.542 7459.171
    Velocity X (km/s) 5.873 3.364
    Velocity Y (km/s) -4.162 6.312
    Velocity Z (km/s) -0.08 -1.213

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B ONEWEB-0551
    Semimajor Axis (a) 7464.116 km 7579.913 km
    Eccentricity (e) 0.016127 0.000188
    Inclination (i) 99.8442° 87.8968°
    RAAN 142.8732° 241.9267°
    Perigee Argument 293.4659° 75.9056°
    Mean Anomaly (M) 64.9593° 284.2283°
    Apogee 1206.353 km 1203.204 km
    Perigee 965.605 km 1200.348 km
    Orbit Epoch 2026-09-11T16:18:48+0000 2026-09-11T22:28:46+0000

    CZ-4C R/B & ONEWEB-0551 Collision Probability (Pc) Trend

    CZ-4C R/B & ONEWEB-0551 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & ONEWEB-0551 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & ONEWEB-0551 Miss Distance (Miss Distance) TrendNot Available

    CZ-4C R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data