Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2022 12 28.  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)
 12/28/2022   03:49:36   (  76.06, 106.11) 12/28/2022   03:49:23  (  76.04, 106.20)    3.19                13
 12/28/2022   04:40:20   ( -76.05, -86.55) 12/28/2022   04:40:29  ( -76.04, -86.58)    1.65                 9
 12/28/2022   05:31:06   (  76.06,  80.72) 12/28/2022   05:31:22  (  76.07,  80.80)    2.18                16
 12/28/2022   06:21:50   ( -76.06,-111.94) 12/28/2022   06:22:28  ( -76.06,-111.99)    1.34                38
 12/28/2022   07:12:36   (  76.07,  55.33) 12/28/2022   07:13:21  (  76.09,  55.39)    3.06                45
 12/28/2022   08:03:20   ( -76.06,-137.33) 12/28/2022   08:04:27  ( -76.09,-137.39)    3.29                67
 12/28/2022   08:54:06   (  76.07,  29.94) 12/28/2022   08:55:21  (  76.07,  29.82)    3.10                75