Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 12 18.  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   ( -77.28, 116.31) 12/29/2021   14:47:39  ( -77.25, 114.04)   55.79                69
 12/29/2021   15:39:39   (  77.52, -77.43) 12/29/2021   15:38:29  (  77.53, -77.34)    2.77                70
 12/29/2021   16:30:24   ( -77.54,  89.76) 12/29/2021   16:29:33  ( -77.50,  89.76)    4.46                51
 12/29/2021   17:21:09   (  77.52,-102.84) 12/29/2021   17:20:29  (  77.54,-102.80)    1.65                40
 12/29/2021   18:11:54   ( -77.55,  64.35) 12/29/2021   18:11:32  ( -77.55,  64.49)    3.36                22
 12/29/2021   19:02:39   (  77.53,-128.25) 12/29/2021   19:02:29  (  77.54,-128.27)    1.36                10
 12/29/2021   19:53:24   ( -77.56,  38.95) 12/29/2021   19:53:32  ( -77.55,  39.02)    1.90                 8
 12/29/2021   20:44:09   (  77.54,-153.65) 12/29/2021   20:44:29  (  77.55,-153.74)    2.24                20
 12/29/2021   21:34:54   ( -77.56,  13.54) 12/29/2021   21:35:32  ( -77.56,  13.55)    0.72                38
 12/29/2021   22:25:39   (  77.54,-179.06) 12/29/2021   22:26:29  (  77.55,-179.20)    3.49                50
 12/29/2021   23:16:24   ( -77.57, -11.87) 12/29/2021   23:17:32  ( -77.56, -11.92)    1.39                68
 12/30/2021   00:07:14   (  77.76, 154.53) 12/30/2021   00:08:24  (  77.76, 156.37)   43.21                70