Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 1 22.  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) (   0.16,-128.82)   68.05                80
 01/24/2023   09:44:34   (   0.02,-128.24) (  -0.89,-124.30)  449.70                80
 01/25/2023   22:06:30   (  -0.01,-128.21) (  -0.34,-129.59)  157.18                80
 01/26/2023   21:45:06   (  -0.01,-128.22) (   0.72,-125.07)  360.30                80
 01/28/2023   10:06:55   (   0.01,-128.27) (   0.46,-130.33)  234.15                80
 01/29/2023   09:50:50   (   0.01,-128.28) (  -0.54,-125.80)  283.41                80
 01/30/2023   22:12:46   (  -0.01,-128.26) (  -0.68,-131.09)  323.52                80
 01/31/2023   21:51:23   (  -0.01,-128.26) (   0.39,-126.57)  193.39                80
 02/02/2023   10:13:11   (   0.01,-128.30) (   0.78,-131.84)  402.67                80
 02/03/2023   09:57:07   (   0.01,-128.30) (  -0.23,-127.30)  114.28                80
 02/04/2023   22:19:03   (  -0.01,-128.28) (  -0.97,-132.60)  492.83                80