Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 9.  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)
 08/10/2023   22:53:59   ( -70.90,  11.26) 08/10/2023   22:54:32  ( -70.91,  11.31)    2.08                33
 08/10/2023   23:44:43   (  70.79, 178.75) 08/10/2023   23:43:55  (  70.81, 178.82)    3.34                48
 08/13/2023   10:57:13   (  71.21,   9.95) 08/13/2023   10:58:24  (  71.14,  10.64)   26.16                71
 08/13/2023   11:47:50   ( -70.86, 177.87) 08/13/2023   11:47:52  ( -70.87, 177.88)    1.53                 2
 08/13/2023   12:38:30   (  70.54, -14.31) 08/13/2023   12:37:18  (  70.61, -14.85)   21.19                72
 08/15/2023   23:50:58   (  70.92, 176.98) 08/15/2023   23:51:46  (  70.90, 176.92)    2.94                48
 08/16/2023   00:41:40   ( -70.82, -15.54) 08/16/2023   00:41:11  ( -70.80, -15.58)    3.07                29
 08/18/2023   11:54:21   ( -71.82, 174.62) 08/18/2023   11:55:27  ( -71.77, 177.29)   92.95                66
 08/18/2023   12:44:49   (  70.89, -16.44) 08/18/2023   12:45:04  (  70.91, -16.42)    1.93                15
 08/18/2023   13:35:31   ( -70.79, 151.03) 08/18/2023   13:34:29  ( -70.80, 151.08)    1.85                62
 08/21/2023   00:47:56   ( -70.97, -17.36) 08/21/2023   00:48:59  ( -70.98, -17.31)    1.96                63
 08/21/2023   01:38:40   (  70.88, 150.12) 08/21/2023   01:38:22  (  70.89, 150.19)    3.07                18