Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 12 22.  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  ( -73.94,  80.66)    7.54                75
 01/01/2024   18:42:10   (  74.02,-111.96) 01/01/2024   18:41:00  (  74.01,-111.88)    2.82                70
 01/01/2024   19:32:54   ( -74.02,  55.37) 01/01/2024   19:32:05  ( -74.01,  55.35)    1.03                49
 01/01/2024   20:23:40   (  74.03,-137.35) 01/01/2024   20:22:58  (  74.03,-137.31)    1.27                42
 01/01/2024   21:14:24   ( -74.02,  29.99) 01/01/2024   21:14:03  ( -74.03,  29.93)    2.24                21
 01/01/2024   22:05:10   (  74.03,-162.73) 01/01/2024   22:04:56  (  74.06,-162.73)    2.58                14
 01/01/2024   22:55:55   ( -74.08,   4.48) 01/01/2024   22:56:01  ( -74.06,   4.50)    2.15                 6
 01/01/2024   23:46:41   (  74.09, 171.75) 01/01/2024   23:46:54  (  74.08, 171.84)    2.67                13
 01/02/2024   00:37:25   ( -74.08, -20.91) 01/02/2024   00:37:59  ( -74.08, -20.93)    0.40                34
 01/02/2024   01:28:11   (  74.10, 146.37) 01/02/2024   01:28:52  (  74.11, 146.41)    1.86                41
 01/02/2024   02:18:55   ( -74.09, -46.30) 01/02/2024   02:19:57  ( -74.11, -46.35)    2.68                62
 01/02/2024   03:09:41   (  74.10, 120.98) 01/02/2024   03:10:50  (  74.13, 120.98)    3.31                69
 01/02/2024   04:00:37   ( -74.68, -73.21) 01/02/2024   04:01:44  ( -74.65, -70.34)   84.42                67