Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.528301E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T00:02:53+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 36699
    NORAD ID 36699
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 61558
    NORAD ID 61558
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-25
    Time of Closest Approach 2026-09-11T06:40:18+0000
    Collision Probability (Pc) 1.528301E-6
    Conjunction Distance (km) 2.699 km
    Relative Speed (km/s) 14.518 km/s
    Conjunction Risk Parameters R (Radial): 2.546 | I (In-track): -0.173 | C (Cross-track): -0.878
    Collision Risk Index (CRI) 0.39
    X Position (km) 1902.097 1902.185
    Position Y (km) 1889.054 1887.916
    Position Z (km) -6748.445 -6745.999
    Velocity X (km/s) -2.35 4.627
    Velocity Y (km/s) -6.529 5.095
    Velocity Z (km/s) -2.473 2.722

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-25
    Semimajor Axis (a) 7187.972 km 7250.802 km
    Eccentricity (e) 0.009475 0.001182
    Inclination (i) 98.5755° 88.9823°
    RAAN 244.1311° 47.4676°
    Perigee Argument 65.4400° 200.3493°
    Mean Anomaly (M) 295.6618° 159.7220°
    Apogee 877.939 km 881.240 km
    Perigee 741.731 km 864.090 km
    Orbit Epoch 2026-09-08T05:01:22+0000 2026-09-10T05:22:43+0000

    FENGYUN 1C DEB & QIANFAN-25 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-25 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-25 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-25 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-25Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-25Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data