Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 12 12.  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)
 12/12/2022   22:46:21   (  72.61,-161.98) 12/12/2022   22:47:33  (  72.56,-161.89)    6.25                72
 12/12/2022   23:37:03   ( -72.49,   5.58) 12/12/2022   23:36:59  ( -72.46,   5.57)    3.39                 4
 12/13/2022   00:27:39   (  71.91, 174.03) 12/13/2022   00:26:30  (  71.95, 172.34)   58.61                69
 12/15/2022   11:41:21   (  72.53,   4.46) 12/15/2022   11:41:42  (  72.55,   4.52)    2.64                21
 12/15/2022   12:32:04   ( -72.46, 171.93) 12/15/2022   12:31:08  ( -72.44, 171.98)    2.59                56
 12/17/2022   23:45:36   ( -72.57,   3.36) 12/17/2022   23:46:28  ( -72.58,   3.38)    1.83                52
 12/18/2022   00:36:21   (  72.46, 170.88) 12/18/2022   00:35:52  (  72.45, 170.80)    2.74                29
 12/20/2022   11:49:57   (  72.83,   1.76) 12/20/2022   11:51:08  (  72.74,   2.46)   25.35                71
 12/20/2022   12:40:36   ( -72.54, 169.68) 12/20/2022   12:40:36  ( -72.52, 169.72)    2.41                 0
 12/20/2022   13:31:15   (  72.13, -22.20) 12/20/2022   13:30:04  (  72.18, -23.24)   35.96                71
 12/23/2022   00:44:53   (  72.56, 168.60) 12/23/2022   00:45:19  (  72.55, 168.57)    1.27                26
 12/23/2022   01:35:36   ( -72.47, -23.90) 12/23/2022   01:34:44  ( -72.50, -23.88)    3.15                52
 12/25/2022   12:49:08   ( -72.60, 167.50) 12/25/2022   12:50:04  ( -72.58, 167.42)    3.10                56
 12/25/2022   13:39:53   (  72.50, -25.01) 12/25/2022   13:39:27  (  72.51, -25.06)    1.82                26