Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2019 4 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)
 04/21/2019   10:14:32   ( -69.42,-156.32) 04/21/2019   10:15:39  ( -69.29,-153.99)   92.36                67
 04/21/2019   11:04:58   (  68.33,  12.47) 04/21/2019   11:05:22  (  68.31,  12.42)    3.02                24
 04/21/2019   11:55:39   ( -68.20, 179.95) 04/21/2019   11:54:52  ( -68.19, 179.91)    2.17                47
 04/24/2019   02:31:10   ( -68.59, -39.40) 04/24/2019   02:32:21  ( -68.56, -39.05)   14.66                71
 04/24/2019   03:21:51   (  68.30, 128.28) 04/24/2019   03:21:51  (  68.29, 128.27)    0.72                 0
 04/24/2019   04:12:32   ( -68.16, -64.23) 04/24/2019   04:11:21  ( -68.17, -64.24)    1.29                71
 04/26/2019   18:48:01   ( -68.39,  76.62) 04/26/2019   18:48:54  ( -68.38,  76.60)    1.53                53
 04/26/2019   19:38:45   (  68.27,-115.91) 04/26/2019   19:38:21  (  68.27,-115.88)    1.70                24
 04/26/2019   20:29:13   ( -67.43,  52.44) 04/26/2019   20:28:04  ( -67.43,  50.79)   70.51                69
 04/29/2019   10:14:32   (  69.46,  23.61) 04/29/2019   10:15:38  (  69.36,  26.09)   97.66                66
 04/29/2019   11:04:55   ( -68.36,-167.57) 04/29/2019   11:05:24  ( -68.36,-167.54)    1.52                29
 04/29/2019   11:55:38   (  68.18,  -0.03) 04/29/2019   11:54:52  (  68.20,  -0.09)    3.06                46
 05/02/2019   02:31:11   (  68.63, 140.53) 05/02/2019   02:32:22  (  68.57, 140.96)   18.71                71
 05/02/2019   03:21:49   ( -68.32, -51.75) 05/02/2019   03:21:55  ( -68.30, -51.74)    3.04                 6
 05/02/2019   04:12:32   (  68.15, 115.77) 05/02/2019   04:11:22  (  68.19, 115.77)    3.62                70
 05/04/2019   18:48:00   (  68.39,-103.39) 05/04/2019   18:48:54  (  68.39,-103.39)    0.11                54
 05/04/2019   19:38:42   ( -68.29,  64.06) 05/04/2019   19:38:24  ( -68.29,  64.12)    2.75                18
 05/04/2019   20:29:12   (  67.42,-127.56) 05/04/2019   20:28:03  (  67.50,-129.15)   68.03                69