Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 3 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/15/2022   09:46:47   (   0.07,-127.97) (  -0.40,-125.77)  250.04                80
 03/16/2022   22:11:23   (  -0.08,-128.02) (  -0.78,-131.08)  348.97                80
 03/17/2022   21:49:58   (  -0.08,-128.05) (   0.24,-126.55)  170.91                80
 03/19/2022   10:14:27   (   0.08,-128.10) (   0.90,-131.83)  424.30                80
 03/20/2022   09:53:02   (   0.08,-128.13) (  -0.12,-127.30)   95.09                80
 03/22/2022   21:56:14   (  -0.08,-128.19) (  -0.03,-128.08)   14.17                80
 03/25/2022   10:01:57   (   0.09,-128.25) (   0.20,-128.81)   64.22                80
 03/26/2022   09:40:31   (   0.09,-128.26) (  -0.77,-124.27)  454.16                80
 03/27/2022   22:02:28   (  -0.10,-128.29) (  -0.40,-129.58)  147.53                80