Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2022   09:59:11   (  -0.12,-128.48) (  -0.04,-128.80)   36.98                80
 06/30/2022   09:43:07   (  -0.10,-128.48) (  -1.06,-124.28)  479.13                80
 07/01/2022   22:02:26   (   0.14,-128.48) (  -0.11,-129.59)  127.20                80
 07/02/2022   21:46:22   (   0.12,-128.48) (   0.90,-125.07)  389.03                80
 07/04/2022   10:05:31   (  -0.15,-128.47) (   0.28,-130.34)  213.11                80
 07/05/2022   09:49:28   (  -0.14,-128.47) (  -0.74,-125.81)  302.70                80
 07/06/2022   22:08:46   (   0.17,-128.45) (  -0.43,-131.13)  304.79                80
 07/07/2022   21:52:43   (   0.16,-128.45) (   0.59,-126.60)  210.90                80
 07/09/2022   10:11:52   (  -0.19,-128.44) (   0.59,-131.88)  391.92                80
 07/10/2022   09:55:49   (  -0.18,-128.43) (  -0.43,-127.35)  122.87                80
 07/11/2022   22:15:07   (   0.22,-128.39) (  -0.73,-132.67)  486.86                80