Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 12 23.  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, 116.38) 12/29/2021   14:47:39  ( -77.28, 114.15)   54.71                69
 12/29/2021   15:39:39   (  77.50, -77.34) 12/29/2021   15:38:30  (  77.52, -77.41)    2.69                69
 12/29/2021   16:30:24   ( -77.53,  89.83) 12/29/2021   16:29:33  ( -77.52,  89.87)    1.04                51
 12/29/2021   17:21:10   (  77.55,-102.95) 12/29/2021   17:20:30  (  77.52,-102.88)    3.15                40
 12/29/2021   18:11:54   ( -77.53,  64.42) 12/29/2021   18:11:33  ( -77.53,  64.40)    0.66                21
 12/29/2021   19:02:40   (  77.55,-128.36) 12/29/2021   19:02:30  (  77.53,-128.34)    2.83                10
 12/29/2021   19:53:24   ( -77.54,  39.01) 12/29/2021   19:53:33  ( -77.53,  38.93)    2.07                 9
 12/29/2021   20:44:10   (  77.56,-153.76) 12/29/2021   20:44:30  (  77.53,-153.81)    3.17                20
 12/29/2021   21:34:54   ( -77.55,  13.61) 12/29/2021   21:35:33  ( -77.54,  13.46)    3.55                39
 12/29/2021   22:25:39   (  77.57,-179.17) 12/29/2021   22:26:28  (  77.58,-179.07)    2.70                49
 12/29/2021   23:16:23   ( -77.56, -11.80) 12/29/2021   23:17:31  ( -77.59, -11.80)    3.32                68
 12/30/2021   00:07:14   (  77.78, 154.42) 12/30/2021   00:08:24  (  77.74, 156.29)   44.29                70