Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.681732E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T14:59:13+0800
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    1 Object 1

    AOE ID 39411
    NORAD ID 39411
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 62787
    NORAD ID 62787
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4C R/B QIANFAN-57
    Time of Closest Approach 2026-10-28T00:53:40+0000
    Collision Probability (Pc) 2.681732E-5
    Conjunction Distance (km) 1.001 km
    Relative Speed (km/s) 14.598 km/s
    Conjunction Risk Parameters R (Radial): -0.245 | I (In-track): -0.077 | C (Cross-track): 0.967
    Collision Risk Index (CRI) 0.64
    X Position (km) 2507.253 2506.267
    Position Y (km) 6954.649 6954.759
    Position Z (km) 910.416 910.287
    Velocity X (km/s) 1.525 -0.43
    Velocity Y (km/s) 0.291 -0.805
    Velocity Z (km/s) -7.164 7.26

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B QIANFAN-57
    Semimajor Axis (a) 7474.195 km 7446.604 km
    Eccentricity (e) 0.013952 0.000114
    Inclination (i) 100.4263° 88.9727°
    RAAN 247.6061° 70.1713°
    Perigee Argument 251.2609° 86.8930°
    Mean Anomaly (M) 107.3335° 273.2352°
    Apogee 1200.339 km 1069.318 km
    Perigee 991.777 km 1067.616 km
    Orbit Epoch 2026-10-26T19:25:39+0000 2026-10-26T22:11:52+0000

    CZ-4C R/B & QIANFAN-57 Collision Probability (Pc) Trend

    CZ-4C R/B & QIANFAN-57 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & QIANFAN-57 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & QIANFAN-57 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    QIANFAN-57Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-57Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data