Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 12 20.  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   17:51:23   ( -73.93,  80.95) 01/01/2024   17:50:09  ( -73.93,  80.63)    9.77                74
 01/01/2024   18:42:10   (  74.00,-111.89) 01/01/2024   18:41:01  (  74.00,-111.90)    0.51                69
 01/01/2024   19:32:54   ( -73.99,  55.44) 01/01/2024   19:32:06  ( -74.00,  55.33)    3.69                48
 01/01/2024   20:23:40   (  74.00,-137.28) 01/01/2024   20:22:59  (  74.02,-137.33)    2.91                41
 01/01/2024   21:14:25   ( -74.04,  29.93) 01/01/2024   21:14:04  ( -74.03,  29.91)    2.02                21
 01/01/2024   22:05:11   (  74.06,-162.79) 01/01/2024   22:04:57  (  74.05,-162.76)    1.35                14
 01/01/2024   22:55:55   ( -74.05,   4.54) 01/01/2024   22:56:02  ( -74.05,   4.48)    2.00                 7
 01/01/2024   23:46:41   (  74.06, 171.82) 01/01/2024   23:46:55  (  74.07, 171.81)    1.22                14
 01/02/2024   00:37:26   ( -74.10, -20.97) 01/02/2024   00:38:00  ( -74.08, -20.95)    3.03                34
 01/02/2024   01:28:12   (  74.12, 146.31) 01/02/2024   01:28:53  (  74.10, 146.39)    3.24                41
 01/02/2024   02:18:56   ( -74.11, -46.35) 01/02/2024   02:19:58  ( -74.10, -46.37)    0.97                62
 01/02/2024   03:09:42   (  74.12, 120.92) 01/02/2024   03:10:51  (  74.12, 120.96)    1.29                69
 01/02/2024   04:00:38   ( -74.70, -73.27) 01/02/2024   04:01:45  ( -74.65, -70.36)   85.59                67