Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 2 21.  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)
 02/24/2023   05:43:12   (  75.40,  79.58) 02/24/2023   05:42:02  (  75.43,  77.81)   49.65                70
 02/24/2023   06:34:03   ( -75.72,-114.10) 02/24/2023   06:32:51  ( -75.71,-113.97)    3.64                72
 02/24/2023   07:24:48   (  75.69,  53.31) 02/24/2023   07:23:55  (  75.72,  53.29)    3.58                53
 02/24/2023   08:15:33   ( -75.72,-139.49) 02/24/2023   08:14:50  ( -75.73,-139.40)    2.42                43
 02/24/2023   09:06:19   (  75.74,  27.77) 02/24/2023   09:05:54  (  75.74,  27.86)    2.40                25
 02/24/2023   09:57:02   ( -75.73,-164.88) 02/24/2023   09:56:48  ( -75.75,-164.84)    2.42                14
 02/24/2023   10:47:48   (  75.74,   2.38) 02/24/2023   10:47:52  (  75.75,   2.42)    1.72                 4
 02/24/2023   11:38:32   ( -75.73, 169.73) 02/24/2023   11:38:47  ( -75.76, 169.73)    3.63                15
 02/24/2023   12:29:18   (  75.75, -23.01) 02/24/2023   12:29:51  (  75.77, -23.01)    2.73                33
 02/24/2023   13:20:03   ( -75.78, 144.19) 02/24/2023   13:20:46  ( -75.78, 144.29)    2.68                43
 02/24/2023   14:10:49   (  75.80, -48.55) 02/24/2023   14:11:50  (  75.79, -48.44)    3.03                61
 02/24/2023   15:01:33   ( -75.79, 118.81) 02/24/2023   15:02:45  ( -75.80, 118.86)    1.99                72