Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 17.  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)
 06/18/2023   23:39:04   (  70.69,-179.62) 06/18/2023   23:39:39  (  70.71,-179.70)    3.54                35
 06/19/2023   00:29:46   ( -70.60, -12.16) 06/19/2023   00:29:05  ( -70.60, -12.21)    2.02                41
 06/21/2023   11:42:22   ( -71.19, 178.76) 06/21/2023   11:43:32  ( -71.10, 179.86)   40.90                70
 06/21/2023   12:32:58   (  70.67, -13.05) 06/21/2023   12:33:00  (  70.67, -13.12)    2.50                 2
 06/21/2023   13:23:39   ( -70.52, 154.50) 06/21/2023   13:22:26  ( -70.57, 154.38)    7.18                73
 06/24/2023   00:36:08   ( -70.75, -13.98) 06/24/2023   00:36:58  ( -70.77, -14.00)    2.27                50
 06/24/2023   01:26:52   (  70.64, 153.50) 06/24/2023   01:26:20  (  70.67, 153.51)    2.53                32
 06/26/2023   12:39:34   (  71.56, -16.16) 06/26/2023   12:40:41  (  71.43, -13.97)   78.64                67
 06/26/2023   13:30:02   ( -70.73, 152.58) 06/26/2023   13:30:18  ( -70.74, 152.60)    1.28                16
 06/26/2023   14:20:46   (  70.63, -39.95) 06/26/2023   14:19:40  (  70.63, -39.90)    2.03                66
 06/29/2023   01:33:12   (  70.77, 151.72) 06/29/2023   01:34:11  (  70.77, 151.65)    2.68                59
 06/29/2023   02:23:54   ( -70.66, -40.79) 06/29/2023   02:23:37  ( -70.68, -40.84)    2.95                17