Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 7 31.  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   ( -77.77, 175.66) 08/02/2021   10:30:10  ( -77.81, 178.66)   70.77                67
 08/02/2021   11:19:49   (  78.08, -15.32) 08/02/2021   11:21:02  (  78.07, -15.34)    1.33                73
 08/02/2021   12:10:55   ( -78.08, 151.95) 08/02/2021   12:11:47  ( -78.10, 151.82)    3.21                52
 08/02/2021   13:01:49   (  78.09, -40.75) 08/02/2021   13:02:32  (  78.07, -40.73)    2.22                43
 08/02/2021   13:52:55   ( -78.10, 126.51) 08/02/2021   13:53:17  ( -78.10, 126.43)    1.82                22
 08/02/2021   14:43:49   (  78.10, -66.19) 08/02/2021   14:44:03  (  78.11, -66.33)    3.46                14
 08/02/2021   15:34:55   ( -78.11, 101.07) 08/02/2021   15:34:47  ( -78.10, 101.05)    0.84                 8
 08/02/2021   16:25:49   (  78.11, -91.63) 08/02/2021   16:25:33  (  78.11, -91.71)    2.09                16
 08/02/2021   17:16:55   ( -78.12,  75.64) 08/02/2021   17:16:17  ( -78.10,  75.66)    1.56                38
 08/02/2021   18:07:49   (  78.12,-117.06) 08/02/2021   18:07:03  (  78.12,-117.10)    1.01                46
 08/02/2021   18:58:54   ( -78.13,  50.20) 08/02/2021   18:57:46  ( -78.11,  50.27)    2.90                68
 08/02/2021   19:49:47   (  78.17,-142.27) 08/02/2021   19:48:33  (  78.16,-142.70)    9.88                74