Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/10/2022   09:40:32   (   0.06,-127.79) (  -0.76,-124.26)  402.94                80
 03/11/2022   22:05:08   (  -0.06,-127.85) (  -0.43,-129.57)  195.76                80
 03/12/2022   21:43:44   (  -0.07,-127.88) (   0.59,-125.04)  324.49                80
 03/14/2022   10:08:11   (   0.07,-127.94) (   0.63,-130.30)  269.79                80
 03/15/2022   09:46:47   (   0.07,-127.97) (  -0.40,-125.77)  250.12                80
 03/16/2022   22:11:23   (  -0.08,-128.02) (  -0.79,-131.08)  349.45                80
 03/17/2022   21:49:58   (  -0.08,-128.05) (   0.24,-126.55)  170.36                80
 03/19/2022   10:14:27   (   0.08,-128.10) (   0.91,-131.83)  424.45                80
 03/20/2022   09:53:02   (   0.08,-128.13) (  -0.12,-127.30)   94.89                80
 03/22/2022   21:56:14   (  -0.08,-128.19) (  -0.03,-128.08)   13.45                80