Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 4 25.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/26/2023   23:32:28   (  70.56,-177.67) 04/26/2023   23:32:46  (  70.58,-177.62)    2.94                18
 04/27/2023   00:23:09   ( -70.42, -10.13) 04/27/2023   00:22:12  ( -70.42, -10.19)    2.09                57
 04/29/2023   11:35:39   ( -70.96,-179.10) 04/29/2023   11:36:50  ( -70.86,-178.25)   32.71                71
 04/29/2023   12:26:17   (  70.54, -11.10) 04/29/2023   12:26:17  (  70.56, -11.05)    3.01                 0
 04/29/2023   13:16:57   ( -70.35, 156.52) 04/29/2023   13:15:44  ( -70.35, 156.30)    8.11                73
 05/02/2023   00:29:22   ( -70.65, -12.04) 05/02/2023   00:30:24  ( -70.64, -11.98)    2.07                62
 05/02/2023   01:20:05   (  70.49, 155.52) 05/02/2023   01:19:48  (  70.50, 155.46)    2.50                17
 05/02/2023   02:10:33   ( -69.66, -35.90) 05/02/2023   02:09:25  ( -69.74, -37.95)   79.58                68
 05/04/2023   13:23:10   ( -70.61, 154.56) 05/04/2023   13:23:54  ( -70.59, 154.55)    1.77                44
 05/04/2023   14:13:54   (  70.51, -37.96) 05/04/2023   14:13:17  (  70.50, -37.92)    1.54                37
 05/07/2023   02:16:57   ( -70.59, -38.87) 05/07/2023   02:17:21  ( -70.61, -38.81)    3.09                24
 05/07/2023   03:07:41   (  70.49, 128.60) 05/07/2023   03:06:45  (  70.47, 128.63)    3.10                56