Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 12 24.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 01/01/2024   17:51:22   ( -73.93,  80.96) 01/01/2024   17:50:08  ( -73.91,  80.59)   11.67                74
 01/01/2024   18:42:09   (  73.99,-111.87) 01/01/2024   18:41:00  (  73.98,-111.94)    2.24                69
 01/01/2024   19:32:54   ( -74.03,  55.33) 01/01/2024   19:32:04  ( -74.03,  55.41)    2.37                50
 01/01/2024   20:23:39   (  73.99,-137.26) 01/01/2024   20:22:58  (  74.01,-137.37)    3.78                41
 01/01/2024   21:14:24   ( -74.04,  29.95) 01/01/2024   21:14:02  ( -74.06,  29.98)    2.29                22
 01/01/2024   22:05:10   (  74.05,-162.77) 01/01/2024   22:04:56  (  74.03,-162.80)    2.01                14
 01/01/2024   22:55:54   ( -74.04,   4.56) 01/01/2024   22:56:01  ( -74.03,   4.43)    4.01                 7
 01/01/2024   23:46:40   (  74.06, 171.84) 01/01/2024   23:46:54  (  74.06, 171.77)    2.07                14
 01/02/2024   00:37:25   ( -74.10, -20.95) 01/02/2024   00:37:58  ( -74.11, -20.87)    2.68                33
 01/02/2024   01:28:11   (  74.11, 146.33) 01/02/2024   01:28:52  (  74.08, 146.34)    3.27                41
 01/02/2024   02:18:55   ( -74.11, -46.34) 01/02/2024   02:19:56  ( -74.13, -46.30)    3.07                61
 01/02/2024   03:09:41   (  74.12, 120.94) 01/02/2024   03:10:50  (  74.11, 120.92)    1.38                69
 01/02/2024   04:00:37   ( -74.69, -73.26) 01/02/2024   04:01:44  ( -74.63, -70.42)   83.84                67