Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 1.  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)
 07/01/2023   14:27:06   (  70.73, -41.70) 07/01/2023   14:27:30  (  70.72, -41.78)    3.12                24
 07/01/2023   15:17:48   ( -70.63, 125.77) 07/01/2023   15:16:56  ( -70.62, 125.71)    3.11                52
 07/04/2023   02:30:15   ( -70.84, -42.66) 07/04/2023   02:31:25  ( -70.81, -42.66)    2.98                70
 07/04/2023   03:20:59   (  70.73, 124.82) 07/04/2023   03:20:47  (  70.71, 124.85)    3.04                12
 07/04/2023   04:11:31   ( -70.11, -66.88) 07/04/2023   04:10:21  ( -70.17, -68.28)   53.37                70
 07/06/2023   15:24:08   ( -70.79, 123.94) 07/06/2023   15:24:43  ( -70.78, 123.95)    1.07                35
 07/06/2023   16:14:52   (  70.69, -68.59) 07/06/2023   16:14:05  (  70.68, -68.54)    2.34                47
 07/09/2023   03:27:22   (  71.01, 122.77) 07/09/2023   03:28:33  (  70.94, 123.19)   17.18                71
 07/09/2023   04:18:01   ( -70.75, -69.47) 07/09/2023   04:18:01  ( -70.73, -69.47)    1.97                 0
 07/09/2023   05:08:39   (  70.34,  98.50) 07/09/2023   05:07:27  (  70.41,  97.71)   30.28                72
 07/11/2023   16:21:12   (  70.82, -70.39) 07/11/2023   16:21:52  (  70.81, -70.35)    1.93                40
 07/11/2023   17:11:54   ( -70.72,  97.11) 07/11/2023   17:11:18  ( -70.72,  97.16)    1.83                36
 07/14/2023   04:24:31   ( -71.41, -72.17) 07/14/2023   04:25:40  ( -71.27, -70.66)   55.94                69
 07/14/2023   05:15:04   (  70.75,  96.27) 07/14/2023   05:15:09  (  70.78,  96.25)    3.38                 5
 07/14/2023   06:05:47   ( -70.69, -96.32) 07/14/2023   06:04:35  ( -70.68, -96.24)    2.98                72