Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 4 29.  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   (  78.08,  59.32) 05/09/2021   06:09:09  (  78.13,  62.22)   66.74                67
 05/09/2021   06:58:52   ( -78.36,-131.65) 05/09/2021   06:59:59  ( -78.34,-131.63)    2.10                67
 05/09/2021   07:49:55   (  78.35,  35.50) 05/09/2021   07:50:45  (  78.37,  35.52)    2.83                50
 05/09/2021   08:40:52   ( -78.38,-157.06) 05/09/2021   08:41:29  ( -78.35,-157.01)    3.52                37
 05/09/2021   09:31:55   (  78.36,  10.08) 05/09/2021   09:32:15  (  78.37,  10.14)    1.84                20
 05/09/2021   10:22:52   ( -78.39, 177.52) 05/09/2021   10:23:00  ( -78.39, 177.38)    3.18                 8
 05/09/2021   11:13:55   (  78.37, -15.33) 05/09/2021   11:13:45  (  78.38, -15.25)    1.75                10
 05/09/2021   12:04:52   ( -78.40, 152.11) 05/09/2021   12:04:30  ( -78.39, 152.00)    2.95                22
 05/09/2021   12:55:55   (  78.39, -40.74) 05/09/2021   12:55:15  (  78.38, -40.63)    2.63                40
 05/09/2021   13:46:52   ( -78.41, 126.70) 05/09/2021   13:46:00  ( -78.39, 126.61)    3.39                52
 05/09/2021   14:37:55   (  78.40, -66.15) 05/09/2021   14:36:46  (  78.42, -66.24)    2.77                69