Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 6 3.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 06/05/2020   09:37:42   (  70.56,  32.45) 06/05/2020   09:38:29  (  70.58,  32.42)    2.45                47
 06/05/2020   10:28:23   ( -70.46,-160.07) 06/05/2020   10:27:59  ( -70.47,-160.11)    1.99                24
 06/08/2020   01:54:06   (  70.60, 148.30) 06/08/2020   01:55:01  (  70.60, 148.32)    0.88                55
 06/08/2020   02:44:47   ( -70.49, -44.20) 06/08/2020   02:44:31  ( -70.49, -44.21)    0.68                16
 06/08/2020   03:35:18   (  69.70, 124.33) 06/08/2020   03:34:10  (  69.73, 122.35)   76.34                68
 06/10/2020   18:10:29   (  70.58, -95.76) 06/10/2020   18:11:34  (  70.60, -95.82)    3.05                65
 06/10/2020   19:01:11   ( -70.52,  71.66) 06/10/2020   19:01:04  ( -70.49,  71.66)    2.59                 7
 06/10/2020   19:51:47   (  70.00,-120.21) 06/10/2020   19:50:37  (  70.06,-121.32)   42.73                70
 06/13/2020   10:26:55   (  70.72,  19.92) 06/13/2020   10:28:06  (  70.69,  20.18)   10.44                71
 06/13/2020   11:17:34   ( -70.55,-172.48) 06/13/2020   11:17:36  ( -70.53,-172.42)    3.16                 2
 06/13/2020   12:08:16   (  70.35,  -4.85) 06/13/2020   12:07:04  (  70.37,  -5.01)    6.27                72
 06/16/2020   02:43:24   (  71.08, 135.24) 06/16/2020   02:44:34  (  70.97, 136.48)   46.52                70
 06/16/2020   03:33:57   ( -70.53, -56.54) 06/16/2020   03:34:10  ( -70.54, -56.54)    1.07                13
 06/16/2020   04:24:41   (  70.45, 110.91) 06/16/2020   04:23:37  (  70.43, 110.95)    1.84                64