Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 6.  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)
 07/06/2023   15:24:08   ( -70.80, 123.93) 07/06/2023   15:24:43  ( -70.77, 123.93)    3.27                35
 07/06/2023   16:14:52   (  70.69, -68.59) 07/06/2023   16:14:05  (  70.67, -68.55)    2.51                47
 07/09/2023   03:27:22   (  71.01, 122.78) 07/09/2023   03:28:33  (  70.93, 123.18)   17.24                71
 07/09/2023   04:18:01   ( -70.76, -69.48) 07/09/2023   04:18:00  ( -70.77, -69.41)    2.97                 1
 07/09/2023   05:08:39   (  70.34,  98.50) 07/09/2023   05:07:27  (  70.40,  97.70)   30.54                72
 07/11/2023   16:21:12   (  70.82, -70.39) 07/11/2023   16:21:52  (  70.80, -70.36)    2.90                40
 07/11/2023   17:11:54   ( -70.72,  97.10) 07/11/2023   17:11:18  ( -70.70,  97.13)    3.27                36
 07/14/2023   04:24:30   ( -71.36, -72.09) 07/14/2023   04:25:40  ( -71.24, -70.69)   51.57                70
 07/14/2023   05:15:04   (  70.75,  96.27) 07/14/2023   05:15:09  (  70.76,  96.23)    1.89                 5
 07/14/2023   06:05:46   ( -70.64, -96.25) 07/14/2023   06:04:35  ( -70.66, -96.27)    1.75                71
 07/16/2023   17:18:12   ( -70.82,  95.36) 07/16/2023   17:19:02  ( -70.85,  95.36)    3.70                50
 07/16/2023   18:08:56   (  70.73, -97.17) 07/16/2023   18:08:24  (  70.75, -97.13)    3.10                32
 07/19/2023   05:21:35   (  71.54,  93.34) 07/19/2023   05:22:43  (  71.42,  95.26)   69.10                68
 07/19/2023   06:12:05   ( -70.80, -98.08) 07/19/2023   06:12:18  ( -70.82, -98.02)    3.41                13
 07/19/2023   07:02:48   (  70.66,  69.46) 07/19/2023   07:01:41  (  70.66,  69.41)    2.10                67