Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 10 22.  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)
 10/24/2020   15:10:36   (  69.72, -49.11) 10/24/2020   15:11:45  (  69.60, -47.70)   55.95                69
 10/24/2020   16:01:07   ( -69.06, 119.17) 10/24/2020   16:01:23  ( -69.06, 119.21)    1.90                16
 10/24/2020   16:51:50   (  68.92, -73.34) 10/24/2020   16:50:50  (  68.94, -73.29)    2.35                60
 10/27/2020   07:27:02   (  69.93,  66.50) 10/27/2020   07:28:09  (  69.82,  68.49)   77.08                67
 10/27/2020   08:17:29   ( -69.05,-124.91) 10/27/2020   08:17:51  ( -69.06,-124.90)    1.20                22
 10/27/2020   09:08:12   (  68.92,  42.58) 10/27/2020   09:07:18  (  68.94,  42.59)    2.06                54
 10/29/2020   23:43:28   (  70.15,-177.91) 10/29/2020   23:44:33  (  70.04,-175.33)   98.48                65
 10/30/2020   00:33:51   ( -69.05,  -8.98) 10/30/2020   00:34:19  ( -69.06,  -9.02)    2.04                28
 10/30/2020   01:24:34   (  68.92, 158.50) 10/30/2020   01:23:46  (  68.94, 158.47)    1.83                48
 11/01/2020   16:50:13   ( -69.10, 106.86) 11/01/2020   16:50:45  ( -69.11, 106.93)    2.56                32
 11/01/2020   17:40:56   (  68.98, -85.66) 11/01/2020   17:40:12  (  68.98, -85.59)    2.85                44
 11/04/2020   09:06:35   ( -69.10,-137.22) 11/04/2020   09:07:13  ( -69.09,-137.21)    1.12                38
 11/04/2020   09:57:18   (  68.99,  30.25) 11/04/2020   09:56:40  (  68.97,  30.27)    2.81                38