Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/26/2023   11:00:49   (   0.13,-139.08) (   1.00,-142.85)  430.20                80
 04/27/2023   10:39:24   (   0.15,-139.55) (  -0.10,-138.33)  138.28                80
 04/28/2023   23:04:03   (  -0.13,-140.25) (  -0.87,-143.68)  391.08                80
 04/29/2023   22:42:38   (  -0.15,-140.72) (   0.23,-139.17)  177.30                80
 05/01/2023   11:07:06   (   0.13,-141.48) (   0.79,-144.47)  341.02                80
 05/02/2023   10:45:42   (   0.14,-141.95) (  -0.31,-139.96)  226.97                80
 05/03/2023   23:10:19   (  -0.12,-142.63) (  -0.70,-145.30)  303.40                80
 05/04/2023   22:48:55   (  -0.13,-143.10) (   0.41,-140.78)  264.18                80
 05/06/2023   11:13:23   (   0.11,-143.84) (   0.60,-146.08)  255.76                80
 05/07/2023   10:51:59   (   0.12,-144.30) (  -0.51,-141.57)  311.07                80
 05/08/2023   23:16:35   (  -0.10,-144.96) (  -0.55,-146.90)  221.40                80