Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 5 19.  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)
 05/23/2021   10:59:58   ( -78.31, 168.30) 05/23/2021   11:01:12  ( -78.29, 168.38)    3.27                74
 05/23/2021   11:51:03   (  78.31, -24.51) 05/23/2021   11:51:58  (  78.31, -24.46)    1.49                55
 05/23/2021   12:41:58   ( -78.33, 142.89) 05/23/2021   12:42:43  ( -78.33, 142.77)    2.57                45
 05/23/2021   13:33:03   (  78.32, -49.93) 05/23/2021   13:33:28  (  78.32, -49.85)    1.80                25
 05/23/2021   14:23:58   ( -78.34, 117.47) 05/23/2021   14:24:13  ( -78.33, 117.39)    2.04                15
 05/23/2021   15:15:03   (  78.33, -75.34) 05/23/2021   15:14:58  (  78.32, -75.23)    2.88                 5
 05/23/2021   16:05:58   ( -78.35,  92.05) 05/23/2021   16:05:43  ( -78.33,  92.01)    2.42                15
 05/23/2021   16:57:03   (  78.34,-100.76) 05/23/2021   16:56:29  (  78.36,-100.84)    2.46                34
 05/23/2021   17:47:58   ( -78.36,  66.64) 05/23/2021   17:47:13  ( -78.33,  66.62)    3.39                45
 05/23/2021   18:39:03   (  78.36,-126.17) 05/23/2021   18:37:59  (  78.36,-126.22)    1.23                64
 05/23/2021   19:29:59   ( -78.34,  40.99) 05/23/2021   19:28:44  ( -78.37,  41.01)    3.78                75