Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 8 17.  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   14:39:49   (  69.71, -41.61) 08/18/2020   14:40:57  (  69.61, -39.93)   66.13                68
 08/18/2020   15:30:18   ( -68.95, 126.79) 08/18/2020   15:30:37  ( -68.95, 126.83)    1.76                19
 08/18/2020   16:21:01   (  68.80, -65.70) 08/18/2020   16:20:05  (  68.79, -65.73)    2.18                56
 08/21/2020   06:56:16   (  69.93,  73.98) 08/21/2020   06:57:23  (  69.81,  76.22)   86.71                67
 08/21/2020   07:46:41   ( -68.96,-117.30) 08/21/2020   07:47:06  ( -68.98,-117.25)    3.23                25
 08/21/2020   08:37:24   (  68.81,  50.21) 08/21/2020   08:36:34  (  68.81,  50.19)    1.29                50
 08/24/2020   00:03:04   ( -68.96,  -1.40) 08/24/2020   00:03:36  ( -68.96,  -1.40)    0.29                32
 08/24/2020   00:53:48   (  68.86, 166.04) 08/24/2020   00:53:03  (  68.85, 166.11)    3.09                45
 08/26/2020   16:19:26   ( -68.97, 114.51) 08/26/2020   16:20:05  ( -68.94, 114.46)    3.35                39
 08/26/2020   17:10:09   (  68.82, -77.98) 08/26/2020   17:09:32  (  68.83, -78.04)    2.94                37
 08/29/2020   08:35:49   ( -68.97,-129.59) 08/29/2020   08:36:34  ( -68.99,-129.61)    1.65                45
 08/29/2020   09:26:33   (  68.88,  37.86) 08/29/2020   09:26:01  (  68.87,  37.89)    1.46                32