Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.592781E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T06:26:19+0800
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    1 Object 1

    AOE ID 31451
    NORAD ID 31451
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69801
    NORAD ID 69801
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-202
    Time of Closest Approach 2026-09-05T10:14:12+0000
    Collision Probability (Pc) 9.592781E-7
    Conjunction Distance (km) 2.941 km
    Relative Speed (km/s) 7.866 km/s
    Conjunction Risk Parameters R (Radial): 2.179 | I (In-track): -1.672 | C (Cross-track): -1.049
    Collision Risk Index (CRI) 0.35
    X Position (km) -1258.598 -1257.462
    Position Y (km) 278.18 277.039
    Position Z (km) 7094.883 7097.343
    Velocity X (km/s) -2.395 -7.266
    Velocity Y (km/s) 7.002 0.855
    Velocity Z (km/s) -0.721 -1.312

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-202
    Semimajor Axis (a) 7224.079 km 7222.628 km
    Eccentricity (e) 0.003166 0.000909
    Inclination (i) 98.7339° 88.9977°
    RAAN 288.6988° 353.2105°
    Perigee Argument 174.3635° 32.2090°
    Mean Anomaly (M) 249.1773° 327.9650°
    Apogee 868.812 km 851.056 km
    Perigee 823.072 km 837.926 km
    Orbit Epoch 2026-09-04T08:36:34+0000 2026-09-04T13:23:24+0000

    FENGYUN 1C DEB & QIANFAN-202 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-202 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-202 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-202 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-202Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-202Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data