Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 12 6.  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)
 12/15/2021   09:57:18   (  77.42,   8.56) 12/15/2021   09:56:07  (  77.41,   7.15)   33.99                71
 12/15/2021   10:48:06   ( -77.58, 175.17) 12/15/2021   10:47:09  ( -77.56, 175.16)    1.55                57
 12/15/2021   11:38:51   (  77.56, -17.43) 12/15/2021   11:38:03  (  77.58, -17.50)    2.68                48
 12/15/2021   12:29:36   ( -77.58, 149.76) 12/15/2021   12:29:09  ( -77.57, 149.69)    2.30                27
 12/15/2021   13:20:22   (  77.61, -43.04) 12/15/2021   13:20:03  (  77.58, -42.97)    3.10                19
 12/15/2021   14:11:06   ( -77.59, 124.35) 12/15/2021   14:11:08  ( -77.62, 124.43)    3.26                 2
 12/15/2021   15:01:52   (  77.61, -68.44) 12/15/2021   15:02:03  (  77.59, -68.43)    2.69                11
 12/15/2021   15:52:36   ( -77.60,  98.95) 12/15/2021   15:53:08  ( -77.62,  98.96)    2.64                32
 12/15/2021   16:43:22   (  77.62, -93.85) 12/15/2021   16:44:03  (  77.60, -93.89)    2.92                41
 12/15/2021   17:34:06   ( -77.61,  73.54) 12/15/2021   17:35:08  ( -77.63,  73.50)    2.70                62
 12/15/2021   18:24:52   (  77.63,-119.26) 12/15/2021   18:26:02  (  77.64,-119.15)    2.97                70