Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 12 25.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2021   14:48:48   ( -77.27, 116.37) 12/29/2021   14:47:39  ( -77.27, 114.12)   54.97                69
 12/29/2021   15:39:39   (  77.50, -77.35) 12/29/2021   15:38:30  (  77.51, -77.43)    2.57                69
 12/29/2021   16:30:24   ( -77.53,  89.82) 12/29/2021   16:29:33  ( -77.52,  89.85)    1.30                51
 12/29/2021   17:21:10   (  77.55,-102.95) 12/29/2021   17:20:30  (  77.52,-102.90)    3.42                40
 12/29/2021   18:11:54   ( -77.54,  64.41) 12/29/2021   18:11:33  ( -77.52,  64.38)    1.49                21
 12/29/2021   19:02:40   (  77.55,-128.36) 12/29/2021   19:02:30  (  77.52,-128.36)    3.30                10
 12/29/2021   19:53:24   ( -77.54,  39.00) 12/29/2021   19:53:33  ( -77.53,  38.91)    2.70                 9
 12/29/2021   20:44:10   (  77.56,-153.77) 12/29/2021   20:44:29  (  77.57,-153.63)    3.54                19
 12/29/2021   21:34:54   ( -77.55,  13.59) 12/29/2021   21:35:32  ( -77.58,  13.64)    2.94                38
 12/29/2021   22:25:40   (  77.57,-179.18) 12/29/2021   22:26:29  (  77.58,-179.09)    2.17                49
 12/29/2021   23:16:23   ( -77.56, -11.82) 12/29/2021   23:17:31  ( -77.58, -11.83)    2.51                68
 12/30/2021   00:07:14   (  77.78, 154.42) 12/30/2021   00:08:24  (  77.74, 156.27)   43.99                70