Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 2 21.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/21/2018   11:04:28   ( -68.36,-167.52) 02/21/2018   11:05:12  ( -68.35,-167.48)    2.01                44
 02/21/2018   11:55:11   (  68.17,   0.02) 02/21/2018   11:54:40  (  68.18,  -0.03)    2.58                31
 02/21/2018   12:45:34   ( -67.07, 168.68) 02/21/2018   12:44:27  ( -67.12, 166.40)   98.84                67
 02/24/2018   02:30:53   (  69.09, 139.95) 02/24/2018   02:32:01  (  68.99, 141.56)   65.07                68
 02/24/2018   03:21:22   ( -68.31, -51.69) 02/24/2018   03:21:41  ( -68.32, -51.63)    2.99                19
 02/24/2018   04:12:06   (  68.18, 115.78) 02/24/2018   04:11:09  (  68.16, 115.82)    3.11                57
 02/26/2018   18:47:35   (  68.40,-103.36) 02/26/2018   18:48:40  (  68.40,-103.29)    2.76                65
 02/26/2018   19:38:16   ( -68.26,  64.13) 02/26/2018   19:38:11  ( -68.23,  64.14)    3.47                 5
 02/26/2018   20:28:53   (  67.81,-127.99) 02/26/2018   20:27:41  (  67.90,-128.61)   27.32                72
 03/01/2018   11:04:28   (  68.36,  12.46) 03/01/2018   11:05:08  (  68.35,  12.53)    2.92                40
 03/01/2018   11:55:08   ( -68.17,-179.97) 03/01/2018   11:54:39  ( -68.19, 179.97)    3.38                29
 03/04/2018   02:30:51   ( -69.13, -40.11) 03/04/2018   02:31:59  ( -69.01, -38.41)   68.95                68
 03/04/2018   03:21:21   (  68.26, 128.36) 03/04/2018   03:21:37  (  68.28, 128.34)    2.69                16
 03/04/2018   04:12:03   ( -68.17, -64.21) 03/04/2018   04:11:07  ( -68.18, -64.15)    2.86                56
 03/06/2018   18:47:32   ( -68.39,  76.65) 03/06/2018   18:48:38  ( -68.39,  76.70)    2.15                66
 03/06/2018   19:38:15   (  68.22,-115.82) 03/06/2018   19:38:06  (  68.21,-115.87)    2.16                 9
 03/06/2018   20:28:52   ( -67.86,  51.95) 03/06/2018   20:27:39  ( -67.94,  51.45)   22.63                73