Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 5 9.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/09/2021   06:08:02   (  78.06,  59.21) 05/09/2021   06:09:08  (  78.10,  62.38)   72.97                66
 05/09/2021   06:58:52   ( -78.34,-131.81) 05/09/2021   06:59:59  ( -78.36,-131.73)    3.00                67
 05/09/2021   07:49:54   (  78.37,  35.61) 05/09/2021   07:50:44  (  78.34,  35.69)    3.18                50
 05/09/2021   08:40:52   ( -78.35,-157.22) 05/09/2021   08:41:29  ( -78.36,-157.11)    2.68                37
 05/09/2021   09:31:54   (  78.38,  10.20) 05/09/2021   09:32:15  (  78.38,  10.08)    2.69                21
 05/09/2021   10:22:52   ( -78.37, 177.36) 05/09/2021   10:22:59  ( -78.36, 177.50)    3.11                 7
 05/09/2021   11:13:54   (  78.39, -15.21) 05/09/2021   11:13:45  (  78.38, -15.30)    2.30                 9
 05/09/2021   12:04:52   ( -78.38, 151.95) 05/09/2021   12:04:30  ( -78.40, 151.90)    3.11                22
 05/09/2021   12:55:54   (  78.41, -40.62) 05/09/2021   12:55:15  (  78.39, -40.69)    2.77                39
 05/09/2021   13:46:52   ( -78.39, 126.54) 05/09/2021   13:46:00  ( -78.41, 126.51)    1.66                52
 05/09/2021   14:37:54   (  78.42, -66.03) 05/09/2021   14:36:45  (  78.39, -66.07)    3.78                69