Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2022   22:14:48   (   0.11,-128.47) (  -0.82,-132.58)  468.82                80
 06/26/2022   21:58:45   (   0.10,-128.48) (   0.20,-128.06)   48.01                80
 06/29/2022   09:59:11   (  -0.12,-128.48) (  -0.03,-128.80)   36.98                80
 06/30/2022   09:43:07   (  -0.10,-128.48) (  -1.05,-124.28)  479.24                80
 07/01/2022   22:02:25   (   0.14,-128.48) (  -0.12,-129.59)  127.25                80
 07/02/2022   21:46:22   (   0.12,-128.48) (   0.90,-125.07)  389.06                80
 07/04/2022   10:05:31   (  -0.15,-128.48) (   0.29,-130.34)  212.72                80
 07/05/2022   09:49:28   (  -0.14,-128.47) (  -0.73,-125.81)  303.16                80
 07/06/2022   22:08:46   (   0.17,-128.46) (  -0.43,-131.13)  304.48                80
 07/07/2022   21:52:43   (   0.16,-128.45) (   0.60,-126.60)  211.30                80