Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 7 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2022   21:52:59   (   0.27,-128.24) (   0.65,-126.67)  179.81                80
 07/25/2022   10:12:08   (  -0.30,-128.20) (   0.51,-131.94)  425.88                80
 07/26/2022   09:56:03   (  -0.29,-128.18) (  -0.46,-127.41)   87.50                80
 07/28/2022   21:56:37   (   0.31,-128.10) (   0.29,-128.19)    9.75                80
 07/31/2022   09:59:42   (  -0.33,-128.04) (  -0.10,-128.93)  102.40                80
 08/01/2022   09:43:39   (  -0.31,-128.00) (  -1.14,-124.41)  410.62                80
 08/02/2022   22:02:56   (   0.34,-127.95) (  -0.06,-129.71)  201.04                80
 08/03/2022   21:46:51   (   0.33,-127.92) (   0.92,-125.18)  311.94                80
 08/05/2022   10:06:01   (  -0.36,-127.87) (   0.24,-130.45)  294.49                80
 08/06/2022   09:49:57   (  -0.35,-127.83) (  -0.80,-125.93)  217.60                80