Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 30.  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)
 01/30/2021   08:47:02   (  78.69,  19.58) 01/30/2021   08:48:15  (  78.67,  19.49)    2.88                73
 01/30/2021   09:37:58   ( -78.68,-173.19) 01/30/2021   09:39:00  ( -78.68,-173.29)    2.13                62
 01/30/2021   10:29:03   (  78.67,  -6.06) 01/30/2021   10:29:45  (  78.67,  -5.91)    3.40                42
 01/30/2021   11:19:58   ( -78.70, 161.42) 01/30/2021   11:20:30  ( -78.68, 161.32)    2.61                32
 01/30/2021   12:11:02   (  78.68, -31.46) 01/30/2021   12:11:14  (  78.67, -31.31)    3.36                12
 01/30/2021   13:01:58   ( -78.68, 135.78) 01/30/2021   13:01:59  ( -78.69, 135.92)    3.18                 1
 01/30/2021   13:53:02   (  78.70, -56.85) 01/30/2021   13:52:45  (  78.71, -56.94)    2.93                17
 01/30/2021   14:43:58   ( -78.69, 110.39) 01/30/2021   14:43:29  ( -78.69, 110.52)    2.79                29
 01/30/2021   15:35:02   (  78.71, -82.24) 01/30/2021   15:34:15  (  78.72, -82.34)    2.31                47
 01/30/2021   16:25:58   ( -78.71,  85.00) 01/30/2021   16:24:59  ( -78.69,  85.12)    2.94                59
 01/30/2021   17:16:59   (  78.83,-106.88) 01/30/2021   17:15:48  (  78.83,-108.45)   33.86                71