Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 7 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)
 08/02/2021   10:29:03   ( -77.76, 175.61) 08/02/2021   10:30:09  ( -77.78, 178.82)   75.60                66
 08/02/2021   11:19:49   (  78.07, -15.37) 08/02/2021   11:21:02  (  78.08, -15.39)    1.03                73
 08/02/2021   12:10:55   ( -78.08, 151.90) 08/02/2021   12:11:46  ( -78.07, 151.98)    2.36                51
 08/02/2021   13:01:49   (  78.08, -40.81) 08/02/2021   13:02:32  (  78.08, -40.78)    0.66                43
 08/02/2021   13:52:55   ( -78.09, 126.46) 08/02/2021   13:53:17  ( -78.11, 126.39)    2.86                22
 08/02/2021   14:43:49   (  78.09, -66.25) 08/02/2021   14:44:02  (  78.08, -66.17)    2.02                13
 08/02/2021   15:34:55   ( -78.10, 101.02) 08/02/2021   15:34:47  ( -78.11, 101.00)    1.48                 8
 08/02/2021   16:25:49   (  78.10, -91.68) 08/02/2021   16:25:33  (  78.12, -91.77)    3.27                16
 08/02/2021   17:16:55   ( -78.11,  75.59) 08/02/2021   17:16:17  ( -78.11,  75.61)    0.74                38
 08/02/2021   18:07:49   (  78.11,-117.12) 08/02/2021   18:07:03  (  78.13,-117.15)    1.89                46
 08/02/2021   18:58:55   ( -78.12,  50.15) 08/02/2021   18:57:47  ( -78.11,  50.23)    1.79                68
 08/02/2021   19:49:48   (  78.16,-142.33) 08/02/2021   19:48:34  (  78.17,-142.76)    9.81                74