Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 12 23.  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   ( -73.94,  80.92) 01/01/2024   17:50:08  ( -73.95,  80.69)    7.20                75
 01/01/2024   18:42:10   (  74.00,-111.91) 01/01/2024   18:41:00  (  74.02,-111.84)    2.93                70
 01/01/2024   19:32:54   ( -74.00,  55.42) 01/01/2024   19:32:05  ( -74.02,  55.39)    2.67                49
 01/01/2024   20:23:40   (  74.01,-137.30) 01/01/2024   20:22:59  (  74.00,-137.40)    3.17                41
 01/01/2024   21:14:25   ( -74.05,  29.91) 01/01/2024   21:14:03  ( -74.05,  29.96)    1.90                22
 01/01/2024   22:05:11   (  74.07,-162.81) 01/01/2024   22:04:56  (  74.07,-162.70)    3.57                15
 01/01/2024   22:55:55   ( -74.06,   4.52) 01/01/2024   22:56:01  ( -74.07,   4.53)    1.41                 6
 01/01/2024   23:46:41   (  74.07, 171.80) 01/01/2024   23:46:55  (  74.05, 171.75)    3.09                14
 01/02/2024   00:37:25   ( -74.07, -20.87) 01/02/2024   00:37:59  ( -74.10, -20.89)    3.44                34
 01/02/2024   01:28:11   (  74.08, 146.41) 01/02/2024   01:28:53  (  74.07, 146.32)    2.76                42
 01/02/2024   02:18:56   ( -74.12, -46.38) 01/02/2024   02:19:57  ( -74.12, -46.32)    2.00                61
 01/02/2024   03:09:42   (  74.13, 120.90) 01/02/2024   03:10:50  (  74.14, 121.02)    3.98                68
 01/02/2024   04:00:38   ( -74.71, -73.30) 01/02/2024   04:01:44  ( -74.67, -70.30)   88.03                66