Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.546812E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T21:36:45+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 39150
    NORAD ID 39150
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43656
    NORAD ID 43656
    Object Type ROCKET BODY
    Country
    CN CN

    Conjunction Constraints

    Parameter GAOFEN 1 CZ-4B R/B
    Time of Closest Approach 2026-11-01T19:42:42+0000
    Collision Probability (Pc) 1.546812E-4
    Conjunction Distance (km) 0.556 km
    Relative Speed (km/s) 14.053 km/s
    Conjunction Risk Parameters R (Radial): 0.441 | I (In-track): -0.135 | C (Cross-track): -0.309
    Collision Risk Index (CRI) 0.79
    X Position (km) 2408.021 2407.971
    Position Y (km) 1566.456 1566.825
    Position Z (km) -6417.105 -6417.517
    Velocity X (km/s) 6.799 -3.661
    Velocity Y (km/s) 1.406 -5.994
    Velocity Z (km/s) 2.883 -2.888

    Orbital Parameters 国际轨道数据源

    Parameter GAOFEN 1 CZ-4B R/B
    Semimajor Axis (a) 7018.409 km 7163.497 km
    Eccentricity (e) 0.001691 0.020371
    Inclination (i) 97.8966° 99.3701°
    RAAN 12.2121° 231.1735°
    Perigee Argument 186.4399° 239.5447°
    Mean Anomaly (M) 173.6596° 118.5473°
    Apogee 652.139 km 931.286 km
    Perigee 628.405 km 639.434 km
    Orbit Epoch 2026-10-29T23:42:25+0000 2026-10-29T13:24:35+0000

    GAOFEN 1 & CZ-4B R/B Collision Probability (Pc) Trend

    GAOFEN 1 & CZ-4B R/B Collision Probability (Pc) TrendNot Available

    GAOFEN 1 & CZ-4B R/B Miss Distance (Miss Distance) Trend

    GAOFEN 1 & CZ-4B R/B Miss Distance (Miss Distance) TrendNot Available

    GAOFEN 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

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

    Object 2 Miss Distance TrendNot Available

    GAOFEN 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GAOFEN 1

    No nearby objects data