Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 3 18.  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)
 03/20/2021   01:40:04   ( -69.07, -27.31) 03/20/2021   01:41:14  ( -68.99, -26.16)   46.42                70
 03/20/2021   02:30:39   (  68.46, 140.81) 03/20/2021   02:30:48  (  68.49, 140.86)    3.38                 9
 03/20/2021   03:21:20   ( -68.33, -51.69) 03/20/2021   03:20:19  ( -68.32, -51.71)    0.68                61
 03/22/2021   17:56:49   ( -68.56,  89.16) 03/22/2021   17:57:49  ( -68.54,  89.16)    2.27                60
 03/22/2021   18:47:33   (  68.44,-103.38) 03/22/2021   18:47:16  (  68.42,-103.34)    2.33                17
 03/22/2021   19:38:05   ( -67.82,  64.73) 03/22/2021   19:36:54  ( -67.87,  63.64)   46.09                71
 03/25/2021   10:13:43   ( -68.54,-155.03) 03/25/2021   10:14:16  ( -68.53,-154.98)    2.44                33
 03/25/2021   11:04:26   (  68.36,  12.50) 03/25/2021   11:03:44  (  68.35,  12.46)    1.93                42
 03/28/2021   01:39:58   (  68.82, 153.05) 03/28/2021   01:41:10  (  68.73, 153.51)   21.44                72
 03/28/2021   02:30:35   ( -68.46, -39.15) 03/28/2021   02:30:43  ( -68.46, -39.18)    1.15                 8
 03/28/2021   03:21:19   (  68.34, 128.31) 03/28/2021   03:20:10  (  68.34, 128.32)    0.93                69
 03/30/2021   17:56:47   (  68.53, -90.79) 03/30/2021   17:57:40  (  68.53, -90.84)    2.08                53
 03/30/2021   18:47:29   ( -68.44,  76.65) 03/30/2021   18:47:10  ( -68.44,  76.67)    0.99                19
 03/30/2021   19:37:58   (  67.52,-114.88) 03/30/2021   19:36:50  (  67.58,-116.67)   76.55                68