Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 1 16.  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)
 01/17/2022   02:29:45   ( -70.82, -37.63) 01/17/2022   02:30:38  ( -70.82, -37.60)    1.14                53
 01/17/2022   03:20:29   (  70.71, 129.87) 01/17/2022   03:20:05  (  70.72, 129.90)    1.62                24
 01/17/2022   04:10:56   ( -69.75, -61.31) 01/17/2022   04:09:50  ( -69.78, -63.82)   96.48                66
 01/19/2022   17:56:55   (  70.82, -89.39) 01/19/2022   17:57:36  (  70.83, -89.34)    2.71                41
 01/19/2022   18:47:38   ( -70.69,  78.13) 01/19/2022   18:47:06  ( -70.72,  78.12)    2.85                32
 01/22/2022   09:24:04   ( -70.80,-141.13) 01/22/2022   09:24:37  ( -70.83,-141.12)    2.81                33
 01/22/2022   10:14:48   (  70.69,  26.36) 01/22/2022   10:14:04  (  70.72,  26.36)    3.23                44
 01/25/2022   00:51:14   (  70.80, 167.10) 01/25/2022   00:51:35  (  70.81, 167.10)    1.40                21
 01/25/2022   01:41:57   ( -70.68, -25.39) 01/25/2022   01:41:05  ( -70.71, -25.42)    3.29                52
 01/27/2022   15:27:49   (  71.43, -53.08) 01/27/2022   15:28:58  (  71.28, -51.57)   56.28                69
 01/27/2022   16:18:22   ( -70.79, 115.34) 01/27/2022   16:18:35  ( -70.79, 115.31)    1.39                13
 01/27/2022   17:09:06   (  70.68, -77.16) 01/27/2022   17:08:02  (  70.68, -77.22)    2.10                64