Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 9 25.  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)
 09/28/2021   08:28:59   (  77.88,  28.48) 09/28/2021   08:30:07  (  77.89,  28.35)    3.02                68
 09/28/2021   09:19:55   ( -77.87,-164.35) 09/28/2021   09:20:51  ( -77.86,-164.21)    3.13                56
 09/28/2021   10:10:59   (  77.89,   3.03) 09/28/2021   10:11:37  (  77.89,   2.96)    1.73                38
 09/28/2021   11:01:55   ( -77.88, 170.21) 09/28/2021   11:02:22  ( -77.91, 170.19)    3.45                27
 09/28/2021   11:52:59   (  77.90, -22.41) 09/28/2021   11:53:07  (  77.89, -22.43)    1.06                 8
 09/28/2021   12:43:55   ( -77.88, 144.76) 09/28/2021   12:43:52  ( -77.91, 144.80)    2.97                 3
 09/28/2021   13:34:59   (  77.91, -47.86) 09/28/2021   13:34:37  (  77.90, -47.82)    1.88                22
 09/28/2021   14:25:55   ( -77.89, 119.31) 09/28/2021   14:25:22  ( -77.91, 119.41)    3.18                33
 09/28/2021   15:16:59   (  77.92, -73.31) 09/28/2021   15:16:07  (  77.90, -73.21)    3.19                52
 09/28/2021   16:07:54   ( -77.94,  94.08) 09/28/2021   16:06:52  ( -77.92,  94.02)    3.02                62
 09/28/2021   16:58:52   (  78.19, -97.21) 09/28/2021   16:57:45  (  78.22,-100.30)   70.48                67