Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 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)
 04/23/2023   22:57:45   (  -0.13,-137.84) (  -1.05,-142.07)  481.43                80
 04/24/2023   22:36:21   (  -0.15,-138.32) (   0.04,-137.55)   87.39                80
 04/26/2023   11:00:49   (   0.13,-139.08) (   0.99,-142.85)  430.12                80
 04/27/2023   10:39:25   (   0.15,-139.55) (  -0.11,-138.34)  138.39                80
 04/28/2023   23:04:02   (  -0.13,-140.25) (  -0.92,-143.67)  390.88                80
 04/29/2023   22:42:37   (  -0.15,-140.72) (   0.18,-139.16)  177.57                80
 05/01/2023   11:07:07   (   0.13,-141.48) (   0.78,-144.47)  340.62                80
 05/02/2023   10:45:42   (   0.14,-141.95) (  -0.32,-139.96)  227.45                80
 05/03/2023   23:10:20   (  -0.12,-142.64) (  -0.69,-145.30)  302.86                80
 05/04/2023   22:48:54   (  -0.13,-143.10) (   0.36,-140.77)  264.80                80
 05/06/2023   11:13:23   (   0.11,-143.85) (   0.59,-146.09)  255.02                80
 05/07/2023   10:51:58   (   0.12,-144.30) (  -0.46,-141.56)  311.90                80