Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/28/2023   23:04:03   (  -0.13,-140.25) (  -0.87,-143.68)  390.75                80
 04/29/2023   22:42:38   (  -0.15,-140.72) (   0.23,-139.17)  177.64                80
 05/01/2023   11:07:06   (   0.13,-141.48) (   0.79,-144.47)  340.85                80
 05/02/2023   10:45:42   (   0.14,-141.95) (  -0.31,-139.96)  227.13                80
 05/03/2023   23:10:19   (  -0.12,-142.63) (  -0.71,-145.29)  303.07                80
 05/04/2023   22:48:55   (  -0.13,-143.10) (   0.39,-140.78)  264.50                80
 05/06/2023   11:13:23   (   0.11,-143.84) (   0.62,-146.08)  255.61                80
 05/07/2023   10:51:59   (   0.12,-144.30) (  -0.49,-141.57)  311.19                80
 05/08/2023   23:16:36   (  -0.10,-144.96) (  -0.51,-146.91)  221.15                80
 05/09/2023   22:55:10   (  -0.12,-145.42) (   0.54,-142.38)  345.18                80
 05/11/2023   11:19:40   (   0.09,-146.14) (   0.41,-147.70)  176.75                80