Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.279671E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T06:22:25+0800
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    1 Object 1

    AOE ID 30662
    NORAD ID 30662
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69816
    NORAD ID 69816
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-217
    Time of Closest Approach 2026-09-07T13:57:46+0000
    Collision Probability (Pc) 7.279671E-7
    Conjunction Distance (km) 2.867 km
    Relative Speed (km/s) 4.48 km/s
    Conjunction Risk Parameters R (Radial): 1.424 | I (In-track): 2.369 | C (Cross-track): -0.759
    Collision Risk Index (CRI) 0.32
    X Position (km) 2113.327 2115.904
    Position Y (km) -388.271 -389.353
    Position Z (km) -6859.948 -6860.586
    Velocity X (km/s) 5.242 7.042
    Velocity Y (km/s) -4.94 -0.854
    Velocity Z (km/s) 1.872 2.227

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-217
    Semimajor Axis (a) 7190.773 km 7180.569 km
    Eccentricity (e) 0.003266 0.000887
    Inclination (i) 99.0342° 88.9975°
    RAAN 316.0783° 353.1194°
    Perigee Argument 226.7755° 45.9490°
    Mean Anomaly (M) 287.0766° 314.2433°
    Apogee 836.121 km 808.802 km
    Perigee 789.151 km 796.062 km
    Orbit Epoch 2026-09-04T16:11:58+0000 2026-09-04T13:55:37+0000

    FENGYUN 1C DEB & QIANFAN-217 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-217 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-217 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-217 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-217Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-217Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data