Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/17/2022   10:05:01   (   0.08,-127.65) (   0.67,-130.18)  289.00                80
 05/18/2022   09:48:56   (   0.09,-127.60) (  -0.34,-125.64)  223.50                80
 05/19/2022   22:08:11   (  -0.07,-127.56) (  -0.83,-130.94)  385.76                80
 05/20/2022   21:52:06   (  -0.08,-127.52) (   0.20,-126.41)  126.97                80
 05/22/2022   10:11:11   (   0.06,-127.44) (   1.03,-131.66)  481.99                80
 05/23/2022   09:55:05   (   0.07,-127.39) (   0.01,-127.13)   30.39                80
 05/25/2022   21:55:34   (  -0.07,-127.30) (  -0.20,-127.88)   66.93                80
 05/26/2022   21:39:29   (  -0.08,-127.26) (   0.83,-123.35)  445.71                80
 05/28/2022   09:58:34   (   0.05,-127.17) (   0.39,-128.60)  163.36                80
 05/29/2022   09:42:29   (   0.06,-127.13) (  -0.63,-124.07)  348.56                80
 05/30/2022   22:01:43   (  -0.03,-127.06) (  -0.57,-129.36)  263.02                80