Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 7 17.  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)
 07/17/2021   23:59:16   (  69.27, 177.55) 07/18/2021   00:00:26  (  69.14, 178.74)   49.28                70
 07/18/2021   00:49:48   ( -68.65, -14.28) 07/18/2021   00:50:03  ( -68.64, -14.26)    2.08                15
 07/18/2021   01:40:32   (  68.53, 153.19) 07/18/2021   01:39:30  (  68.52, 153.25)    2.55                62
 07/20/2021   16:16:01   (  68.72, -65.93) 07/20/2021   16:16:59  (  68.73, -65.89)    1.56                58
 07/20/2021   17:06:42   ( -68.58, 101.58) 07/20/2021   17:06:30  ( -68.56, 101.54)    2.58                12
 07/20/2021   17:57:16   (  67.92, -90.27) 07/20/2021   17:56:06  (  67.95, -91.55)   53.66                70
 07/23/2021   08:32:55   (  68.66,  49.93) 07/23/2021   08:33:26  (  68.65,  49.89)    1.65                31
 07/23/2021   09:23:37   ( -68.57,-142.64) 07/23/2021   09:22:56  ( -68.55,-142.60)    3.19                41
 07/25/2021   23:59:10   ( -68.98,  -2.05) 07/26/2021   00:00:22  ( -68.91,  -1.54)   21.64                72
 07/26/2021   00:49:49   (  68.60, 165.78) 07/26/2021   00:49:52  (  68.62, 165.75)    3.16                 3
 07/26/2021   01:40:31   ( -68.51, -26.78) 07/26/2021   01:39:22  ( -68.52, -26.75)    2.34                69
 07/28/2021   16:15:59   ( -68.71, 114.09) 07/28/2021   16:16:50  ( -68.72, 114.10)    1.26                51
 07/28/2021   17:06:43   (  68.59, -78.45) 07/28/2021   17:06:17  (  68.59, -78.41)    1.53                26
 07/28/2021   17:57:09   ( -67.64,  90.08) 07/28/2021   17:56:01  ( -67.71,  88.19)   80.38                68