Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 19.  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)
 06/21/2023   11:42:22   ( -71.17, 178.79) 06/21/2023   11:43:33  ( -71.06, 179.80)   38.66                71
 06/21/2023   12:32:59   (  70.70, -13.11) 06/21/2023   12:33:00  (  70.69, -13.09)    1.02                 1
 06/21/2023   13:23:40   ( -70.55, 154.44) 06/21/2023   13:22:26  ( -70.58, 154.40)    3.62                74
 06/24/2023   00:36:09   ( -70.78, -14.03) 06/24/2023   00:36:58  ( -70.78, -13.98)    1.94                49
 06/24/2023   01:26:52   (  70.62, 153.54) 06/24/2023   01:26:21  (  70.63, 153.46)    2.97                31
 06/26/2023   12:39:33   (  71.54, -16.12) 06/26/2023   12:40:40  (  71.45, -13.94)   77.73                67
 06/26/2023   13:30:01   ( -70.71, 152.61) 06/26/2023   13:30:18  ( -70.70, 152.54)    2.57                17
 06/26/2023   14:20:45   (  70.60, -39.91) 06/26/2023   14:19:40  (  70.60, -39.95)    1.34                65
 06/29/2023   01:33:13   (  70.79, 151.67) 06/29/2023   01:34:11  (  70.80, 151.69)    0.86                58
 06/29/2023   02:23:55   ( -70.69, -40.84) 06/29/2023   02:23:37  ( -70.71, -40.81)    2.25                18
 07/01/2023   14:27:06   (  70.73, -41.71) 07/01/2023   14:27:31  (  70.72, -41.79)    3.18                25
 07/01/2023   15:17:48   ( -70.63, 125.78) 07/01/2023   15:16:57  ( -70.63, 125.73)    2.14                51