Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 8 18.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/18/2020   14:39:48   (  69.68, -41.56) 08/18/2020   14:40:57  (  69.59, -39.96)   62.67                69
 08/18/2020   15:30:17   ( -68.92, 126.84) 08/18/2020   15:30:37  ( -68.92, 126.80)    1.71                20
 08/18/2020   16:21:01   (  68.82, -65.72) 08/18/2020   16:20:04  (  68.82, -65.69)    1.38                57
 08/21/2020   06:56:15   (  69.89,  74.04) 08/21/2020   06:57:22  (  69.82,  76.24)   84.77                67
 08/21/2020   07:46:40   ( -68.92,-117.25) 08/21/2020   07:47:06  ( -68.94,-117.30)    2.88                26
 08/21/2020   08:37:24   (  68.82,  50.19) 08/21/2020   08:36:33  (  68.83,  50.21)    1.26                51
 08/24/2020   00:03:04   ( -68.98,  -1.42) 08/24/2020   00:03:35  ( -68.95,  -1.41)    2.79                31
 08/24/2020   00:53:47   (  68.82, 166.10) 08/24/2020   00:53:02  (  68.84, 166.10)    1.84                45
 08/26/2020   16:19:27   ( -68.98, 114.49) 08/26/2020   16:20:04  ( -68.96, 114.49)    2.09                37
 08/26/2020   17:10:10   (  68.83, -77.99) 08/26/2020   17:09:31  (  68.85, -78.01)    2.39                39
 08/29/2020   08:35:49   ( -68.98,-129.60) 08/29/2020   08:36:32  ( -68.97,-129.62)    2.04                43
 08/29/2020   09:26:32   (  68.83,  37.92) 08/29/2020   09:25:59  (  68.85,  37.88)    2.82                33
 09/01/2020   00:52:12   ( -68.99, -13.70) 09/01/2020   00:53:01  ( -68.97, -13.74)    2.66                49
 09/01/2020   01:42:55   (  68.84, 153.82) 09/01/2020   01:42:28  (  68.85, 153.76)    3.25                27