Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-A
TLE Epoch: 2020 11 14.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2020   04:50:30   ( -76.82, -90.32) 11/28/2020   04:51:36  ( -76.79, -86.92)   86.35                66
 11/28/2020   05:41:11   (  76.67,  77.58) 11/28/2020   05:42:20  (  76.61,  79.73)   55.71                69
 11/28/2020   06:31:53   ( -76.55,-114.66) 11/28/2020   06:33:04  ( -76.50,-113.33)   34.84                71
 11/28/2020   07:22:34   (  76.40,  53.23) 11/28/2020   07:23:47  (  76.36,  53.51)    8.43                73
 11/28/2020   08:13:17   ( -76.33,-139.19) 11/28/2020   08:14:29  ( -76.35,-139.22)    2.34                72
 11/28/2020   09:04:02   (  76.35,  28.03) 11/28/2020   09:05:09  (  76.34,  28.10)    2.26                67
 11/28/2020   09:54:46   ( -76.33,-164.56) 11/28/2020   09:55:51  ( -76.33,-164.63)    1.73                65
 11/28/2020   10:45:31   (  76.35,   2.66) 11/28/2020   10:46:31  (  76.33,   2.70)    3.21                60
 11/28/2020   11:36:15   ( -76.33, 170.07) 11/28/2020   11:37:13  ( -76.31, 169.97)    3.28                58
 11/28/2020   12:27:00   (  76.35, -22.71) 11/28/2020   12:27:52  (  76.35, -22.55)    4.07                52
 11/28/2020   13:17:44   ( -76.32, 144.71) 11/28/2020   13:18:34  ( -76.34, 144.72)    1.40                50
 11/28/2020   14:08:28   (  76.31, -47.91) 11/28/2020   14:09:14  (  76.33, -47.96)    3.33                46
 11/28/2020   14:59:13   ( -76.32, 119.34) 11/28/2020   14:59:56  ( -76.32, 119.31)    0.95                43
 11/28/2020   15:49:57   (  76.30, -73.28) 11/28/2020   15:50:36  (  76.31, -73.37)    2.59                39
 11/28/2020   16:40:42   ( -76.32,  93.97) 11/28/2020   16:41:18  ( -76.30,  93.91)    3.17                36
 11/28/2020   17:31:26   (  76.30, -98.64) 11/28/2020   17:31:58  (  76.29, -98.77)    3.57                32
 11/28/2020   18:22:11   ( -76.32,  68.60) 11/28/2020   18:22:39  ( -76.33,  68.66)    1.45                28
 11/28/2020   19:12:55   (  76.30,-124.01) 11/28/2020   19:13:19  (  76.32,-124.02)    2.16                24
 11/28/2020   20:03:40   ( -76.32,  43.24) 11/28/2020   20:04:01  ( -76.31,  43.25)    1.58                21
 11/28/2020   20:54:24   (  76.30,-149.38) 11/28/2020   20:54:41  (  76.30,-149.43)    1.37                17