Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.017678E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-29T22:11:19+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 31639
    NORAD ID 31639
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69811
    NORAD ID 69811
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-212
    Time of Closest Approach 2026-08-29T19:08:43+0000
    Collision Probability (Pc) 2.017678E-6
    Conjunction Distance (km) 2.329 km
    Relative Speed (km/s) 14.867 km/s
    Conjunction Risk Parameters R (Radial): -1.488 | I (In-track): -0.125 | C (Cross-track): 1.787
    Collision Risk Index (CRI) 0.41
    X Position (km) 6994.289 6993.012
    Position Y (km) -781.943 -780.005
    Position Z (km) -1655.334 -1655.144
    Velocity X (km/s) -1.739 1.692
    Velocity Y (km/s) -0.982 -0.054
    Velocity Z (km/s) -7.203 7.232

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-212
    Semimajor Axis (a) 7323.425 km 7226.974 km
    Eccentricity (e) 0.016124 0.001070
    Inclination (i) 98.7640° 88.9974°
    RAAN 175.0591° 353.9349°
    Perigee Argument 160.6369° 54.7551°
    Mean Anomaly (M) 213.9114° 305.4635°
    Apogee 1063.371 km 856.567 km
    Perigee 827.205 km 841.107 km
    Orbit Epoch 2026-08-29T02:41:19+0000 2026-08-29T05:36:43+0000

    FENGYUN 1C DEB & QIANFAN-212 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-212 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-212 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-212 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-212Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-212Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data