Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 22.  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   (  78.67,  19.46) 01/30/2021   08:48:14  (  78.65,  19.57)    2.86                72
 01/30/2021   09:37:58   ( -78.67,-173.27) 01/30/2021   09:38:59  ( -78.66,-173.17)    2.33                61
 01/30/2021   10:29:02   (  78.68,  -5.93) 01/30/2021   10:29:45  (  78.70,  -6.06)    3.19                43
 01/30/2021   11:19:58   ( -78.68, 161.34) 01/30/2021   11:20:29  ( -78.67, 161.43)    2.84                31
 01/30/2021   12:11:02   (  78.70, -31.32) 01/30/2021   12:11:15  (  78.70, -31.46)    3.02                13
 01/30/2021   13:01:58   ( -78.70, 135.95) 01/30/2021   13:02:00  ( -78.71, 135.80)    3.33                 2
 01/30/2021   13:53:02   (  78.71, -56.72) 01/30/2021   13:52:45  (  78.70, -56.86)    3.33                17
 01/30/2021   14:43:58   ( -78.71, 110.56) 01/30/2021   14:43:30  ( -78.71, 110.40)    3.36                28
 01/30/2021   15:35:03   (  78.69, -82.36) 01/30/2021   15:34:15  (  78.71, -82.26)    2.59                48
 01/30/2021   16:25:59   ( -78.69,  84.92) 01/30/2021   16:25:00  ( -78.71,  85.00)    2.90                59
 01/30/2021   17:16:59   (  78.84,-106.75) 01/30/2021   17:15:48  (  78.82,-108.37)   35.12                71