Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 12 26.  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   ( -73.92,  80.98) 01/01/2024   17:50:08  ( -73.92,  80.62)   10.99                74
 01/01/2024   18:42:09   (  73.98,-111.85) 01/01/2024   18:41:00  (  74.00,-111.90)    2.88                69
 01/01/2024   19:32:54   ( -74.03,  55.35) 01/01/2024   19:32:05  ( -74.00,  55.32)    3.31                49
 01/01/2024   20:23:40   (  74.03,-137.36) 01/01/2024   20:22:58  (  74.02,-137.33)    1.39                42
 01/01/2024   21:14:24   ( -74.03,  29.96) 01/01/2024   21:14:03  ( -74.02,  29.89)    2.36                21
 01/01/2024   22:05:10   (  74.04,-162.75) 01/01/2024   22:04:56  (  74.05,-162.76)    0.99                14
 01/01/2024   22:55:54   ( -74.04,   4.57) 01/01/2024   22:56:01  ( -74.05,   4.47)    3.41                 7
 01/01/2024   23:46:40   (  74.05, 171.86) 01/01/2024   23:46:54  (  74.07, 171.81)    3.33                14
 01/02/2024   00:37:25   ( -74.09, -20.94) 01/02/2024   00:37:59  ( -74.07, -20.96)    2.46                34
 01/02/2024   01:28:11   (  74.10, 146.35) 01/02/2024   01:28:52  (  74.10, 146.38)    1.13                41
 01/02/2024   02:18:55   ( -74.10, -46.33) 01/02/2024   02:19:57  ( -74.10, -46.39)    1.85                62
 01/02/2024   03:09:41   (  74.11, 120.96) 01/02/2024   03:10:50  (  74.12, 120.96)    1.56                69
 01/02/2024   04:00:37   ( -74.69, -73.24) 01/02/2024   04:01:44  ( -74.64, -70.38)   84.23                67