Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 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)
 06/23/2022   10:11:33   (  -0.09,-128.46) (   0.67,-131.79)  380.59                80
 06/24/2022   09:55:30   (  -0.08,-128.46) (  -0.35,-127.27)  136.45                80
 06/25/2022   22:14:48   (   0.11,-128.47) (  -0.83,-132.58)  468.84                80
 06/26/2022   21:58:45   (   0.10,-128.48) (   0.19,-128.05)   48.10                80
 06/29/2022   09:59:11   (  -0.12,-128.49) (  -0.07,-128.81)   36.53                80
 06/30/2022   09:43:07   (  -0.10,-128.49) (  -1.03,-124.28)  479.85                80
 07/01/2022   22:02:25   (   0.14,-128.48) (  -0.13,-129.59)  126.75                80
 07/02/2022   21:46:22   (   0.12,-128.48) (   0.88,-125.06)  389.67                80
 07/04/2022   10:05:32   (  -0.15,-128.49) (   0.24,-130.35)  211.75                80
 07/05/2022   09:49:28   (  -0.14,-128.48) (  -0.72,-125.81)  304.21                80
 07/06/2022   22:08:46   (   0.17,-128.47) (  -0.44,-131.13)  303.54                80