Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 1 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/23/2023   10:00:37   (   0.02,-128.22) (   0.15,-128.82)   67.99                80
 01/24/2023   09:44:33   (   0.02,-128.24) (  -0.84,-124.28)  449.75                80
 01/25/2023   22:06:30   (  -0.02,-128.21) (  -0.34,-129.59)  157.12                80
 01/26/2023   21:45:06   (  -0.02,-128.22) (   0.72,-125.07)  360.37                80
 01/28/2023   10:06:55   (   0.02,-128.28) (   0.46,-130.33)  234.11                80
 01/29/2023   09:50:50   (   0.02,-128.28) (  -0.54,-125.80)  283.46                80
 01/30/2023   22:12:47   (  -0.02,-128.26) (  -0.68,-131.09)  323.47                80
 01/31/2023   21:51:23   (  -0.02,-128.26) (   0.39,-126.57)  193.45                80
 02/02/2023   10:13:11   (   0.02,-128.30) (   0.78,-131.84)  402.62                80
 02/03/2023   09:57:07   (   0.01,-128.30) (  -0.23,-127.30)  114.34                80
 02/04/2023   22:19:03   (  -0.01,-128.28) (  -0.97,-132.60)  492.76                80
 02/05/2023   21:57:39   (  -0.01,-128.27) (   0.04,-128.07)   23.65                80