Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2022 12 14.  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)
 12/14/2022   21:55:38   (  76.17,-165.74) 12/14/2022   21:56:49  (  76.14,-165.72)    2.87                71
 12/25/2022   13:47:52   ( -76.01, 136.75) 12/25/2022   13:46:47  ( -76.03, 136.73)    2.48                65
 12/25/2022   14:38:36   (  76.03, -56.02) 12/25/2022   14:37:40  (  76.05, -55.93)    2.94                56
 12/25/2022   15:29:13   ( -76.04, 111.28) 12/25/2022   15:28:46  ( -76.05, 111.32)    1.35                27
 12/25/2022   16:19:57   (  76.07, -81.49) 12/25/2022   16:19:39  (  76.07, -81.33)    4.21                18
 12/25/2022   17:10:34   ( -76.08,  85.82) 12/25/2022   17:10:45  ( -76.08,  85.92)    2.64                11
 12/25/2022   18:01:17   (  76.06,-106.80) 12/25/2022   18:01:39  (  76.05,-106.90)    3.15                22
 12/25/2022   18:51:54   ( -76.07,  60.51) 12/25/2022   18:52:44  ( -76.10,  60.51)    2.97                50
 12/25/2022   19:42:38   (  76.10,-132.27) 12/25/2022   19:43:38  (  76.07,-132.31)    3.36                60