Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2021 11 15.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2021   17:05:53   (  74.32, -83.99) 11/28/2021   17:06:59  (  74.31, -81.05)   88.54                66
 11/28/2021   17:56:35   ( -74.21,  83.62) 11/28/2021   17:57:43  ( -74.19,  85.98)   71.36                68
 11/28/2021   18:47:17   (  74.08,-108.75) 11/28/2021   18:48:27  (  74.00,-107.18)   49.00                70
 11/28/2021   19:37:59   ( -73.97,  58.85) 11/28/2021   19:39:10  ( -73.93,  59.98)   34.95                71
 11/28/2021   20:28:40   (  73.79,-133.41) 11/28/2021   20:29:53  (  73.78,-133.04)   11.38                73
 11/28/2021   21:19:23   ( -73.73,  34.07) 11/28/2021   21:20:36  ( -73.71,  34.12)    2.40                73
 11/28/2021   22:10:06   (  73.70,-158.55) 11/28/2021   22:11:15  (  73.71,-158.55)    1.42                69
 11/28/2021   23:00:50   ( -73.68,   8.80) 11/28/2021   23:01:57  ( -73.69,   8.73)    2.26                67
 11/28/2021   23:51:35   (  73.71, 176.06) 11/28/2021   23:52:37  (  73.69, 176.07)    1.48                62
 11/29/2021   00:42:19   ( -73.69, -16.58) 11/29/2021   00:43:19  ( -73.67, -16.65)    2.91                60
 11/29/2021   01:33:03   (  73.66, 150.80) 11/29/2021   01:33:59  (  73.67, 150.68)    3.79                56