Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 13.  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)
 06/13/2023   22:41:59   ( -70.69,  14.66) 06/13/2023   22:42:22  ( -70.70,  14.66)    0.51                23
 06/13/2023   23:32:43   (  70.58,-177.84) 06/13/2023   23:31:45  (  70.57,-177.87)    1.66                58
 06/16/2023   10:45:12   (  70.79,  13.70) 06/16/2023   10:46:18  (  70.78,  13.76)    2.73                66
 06/16/2023   11:35:53   ( -70.65,-178.75) 06/16/2023   11:35:44  ( -70.66,-178.76)    1.80                 9
 06/16/2023   12:26:25   (  69.90, -10.28) 06/16/2023   12:25:17  (  69.97, -12.09)   69.49                68
 06/18/2023   23:39:04   (  70.70,-179.64) 06/18/2023   23:39:39  (  70.71,-179.70)    2.50                35
 06/19/2023   00:29:46   ( -70.61, -12.17) 06/19/2023   00:29:05  ( -70.61, -12.21)    1.66                41
 06/21/2023   11:42:22   ( -71.20, 178.75) 06/21/2023   11:43:32  ( -71.10, 179.87)   41.46                70
 06/21/2023   12:32:58   (  70.68, -13.07) 06/21/2023   12:33:00  (  70.68, -13.11)    1.65                 2
 06/21/2023   13:23:39   ( -70.52, 154.49) 06/21/2023   13:22:27  ( -70.52, 154.31)    6.84                72
 06/24/2023   00:36:08   ( -70.75, -13.98) 06/24/2023   00:36:58  ( -70.78, -13.99)    2.75                50
 06/24/2023   01:26:52   (  70.65, 153.49) 06/24/2023   01:26:20  (  70.67, 153.52)    2.53                32
 06/26/2023   12:39:34   (  71.57, -16.18) 06/26/2023   12:40:41  (  71.45, -13.95)   79.75                67
 06/26/2023   13:30:02   ( -70.73, 152.57) 06/26/2023   13:30:18  ( -70.75, 152.62)    3.03                16
 06/26/2023   14:20:45   (  70.58, -39.88) 06/26/2023   14:19:41  (  70.59, -39.96)    3.04                64