Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 12 27.  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   ( -73.96,  80.88) 01/01/2024   17:50:08  ( -73.93,  80.63)    8.54                75
 01/01/2024   18:42:10   (  74.02,-111.95) 01/01/2024   18:41:00  (  74.00,-111.89)    2.41                70
 01/01/2024   19:32:54   ( -74.02,  55.37) 01/01/2024   19:32:05  ( -74.00,  55.33)    2.32                49
 01/01/2024   20:23:40   (  74.03,-137.34) 01/01/2024   20:22:58  (  74.03,-137.32)    0.57                42
 01/01/2024   21:14:24   ( -74.02,  29.98) 01/01/2024   21:14:03  ( -74.03,  29.90)    2.41                21
 01/01/2024   22:05:10   (  74.03,-162.73) 01/01/2024   22:04:56  (  74.05,-162.75)    2.46                14
 01/01/2024   22:55:55   ( -74.08,   4.47) 01/01/2024   22:56:01  ( -74.05,   4.47)    3.24                 6
 01/01/2024   23:46:41   (  74.09, 171.76) 01/01/2024   23:46:54  (  74.08, 171.82)    2.14                13
 01/02/2024   00:37:25   ( -74.09, -20.92) 01/02/2024   00:37:59  ( -74.07, -20.95)    1.53                34
 01/02/2024   01:28:11   (  74.09, 146.37) 01/02/2024   01:28:52  (  74.10, 146.39)    1.17                41
 01/02/2024   02:18:55   ( -74.09, -46.31) 01/02/2024   02:19:57  ( -74.10, -46.38)    2.35                62
 01/02/2024   03:09:41   (  74.10, 120.98) 01/02/2024   03:10:50  (  74.13, 120.97)    3.03                69
 01/02/2024   04:00:37   ( -74.68, -73.22) 01/02/2024   04:01:44  ( -74.65, -70.37)   83.83                67