Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/01/2022   22:08:42   (  -0.11,-128.39) (  -0.74,-131.09)  307.49                80
 04/02/2022   21:52:37   (  -0.11,-128.40) (   0.30,-126.56)  210.00                80
 04/04/2022   10:14:25   (   0.11,-128.40) (   0.88,-131.83)  390.95                80
 04/05/2022   09:53:00   (   0.11,-128.40) (  -0.16,-127.30)  126.03                80
 04/06/2022   22:14:55   (  -0.12,-128.42) (  -1.07,-132.60)  476.21                80
 04/07/2022   21:58:51   (  -0.12,-128.42) (  -0.02,-128.07)   40.65                80
 04/10/2022   10:01:53   (   0.12,-128.41) (   0.21,-128.80)   44.66                80
 04/11/2022   09:40:27   (   0.13,-128.40) (  -0.77,-124.26)  471.67                80
 04/12/2022   22:02:24   (  -0.13,-128.41) (  -0.38,-129.57)  131.65                80
 04/13/2022   21:46:18   (  -0.13,-128.41) (   0.61,-125.03)  384.69                80