Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 12 15.  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)
 12/15/2022   11:41:21   (  72.54,   4.44) 12/15/2022   11:41:42  (  72.53,   4.50)    2.17                21
 12/15/2022   12:32:03   ( -72.42, 172.00) 12/15/2022   12:31:08  ( -72.43, 171.95)    1.95                55
 12/17/2022   23:45:36   ( -72.58,   3.33) 12/17/2022   23:46:28  ( -72.56,   3.34)    1.74                52
 12/18/2022   00:36:21   (  72.47, 170.87) 12/18/2022   00:35:51  (  72.49, 170.87)    2.91                30
 12/20/2022   11:49:58   (  72.84,   1.74) 12/20/2022   11:51:09  (  72.72,   2.43)   26.21                71
 12/20/2022   12:40:36   ( -72.50, 169.76) 12/20/2022   12:40:37  ( -72.50, 169.67)    2.92                 1
 12/20/2022   13:31:16   (  72.14, -22.21) 12/20/2022   13:30:05  (  72.16, -23.28)   36.32                71
 12/23/2022   00:44:53   (  72.57, 168.58) 12/23/2022   00:45:18  (  72.58, 168.62)    1.91                25
 12/23/2022   01:35:36   ( -72.48, -23.93) 12/23/2022   01:34:44  ( -72.47, -23.93)    1.45                52
 12/25/2022   12:49:08   ( -72.61, 167.47) 12/25/2022   12:50:03  ( -72.60, 167.45)    0.95                55
 12/25/2022   13:39:53   (  72.51, -25.03) 12/25/2022   13:39:26  (  72.53, -25.01)    2.42                27
 12/28/2022   00:53:31   (  72.95, 165.71) 12/28/2022   00:54:41  (  72.86, 166.74)   35.23                70
 12/28/2022   01:44:08   ( -72.55, -26.13) 12/28/2022   01:44:11  ( -72.53, -26.22)    3.54                 3