Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2022 12 11.  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   15:10:09   (  75.77, -63.08) 12/14/2022   15:09:00  (  75.74, -65.18)   57.70                69
 12/14/2022   16:00:50   ( -76.06, 103.32) 12/14/2022   15:59:58  ( -76.06, 103.21)    3.17                52
 12/14/2022   16:51:36   (  76.09, -89.46) 12/14/2022   16:50:52  (  76.08, -89.46)    0.79                44
 12/14/2022   17:42:11   ( -76.09,  77.87) 12/14/2022   17:41:57  ( -76.09,  77.81)    1.56                14
 12/14/2022   18:32:57   (  76.12,-114.92) 12/14/2022   18:32:51  (  76.10,-114.86)    2.70                 6
 12/14/2022   19:23:32   ( -76.13,  52.40) 12/14/2022   19:23:56  ( -76.12,  52.41)    1.71                24
 12/14/2022   20:14:17   (  76.12,-140.23) 12/14/2022   20:14:50  (  76.13,-140.26)    1.89                33
 12/14/2022   21:04:52   ( -76.12,  27.10) 12/14/2022   21:05:55  ( -76.14,  27.01)    3.29                63
 12/14/2022   21:55:38   (  76.15,-165.69) 12/14/2022   21:56:49  (  76.16,-165.67)    0.75                71