Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/01/2023   11:07:07   (   0.13,-141.48) (   0.77,-144.48)  340.85                80
 05/02/2023   10:45:41   (   0.14,-141.95) (  -0.27,-139.95)  227.17                80
 05/03/2023   23:10:20   (  -0.12,-142.64) (  -0.68,-145.30)  302.81                80
 05/04/2023   22:48:54   (  -0.13,-143.10) (   0.36,-140.77)  264.81                80
 05/06/2023   11:13:24   (   0.11,-143.84) (   0.59,-146.09)  255.51                80
 05/07/2023   10:51:59   (   0.12,-144.30) (  -0.52,-141.57)  311.31                80
 05/08/2023   23:16:35   (  -0.10,-144.97) (  -0.55,-146.90)  220.81                80
 05/09/2023   22:55:11   (  -0.12,-145.42) (   0.56,-142.39)  345.54                80
 05/11/2023   11:19:39   (   0.09,-146.14) (   0.44,-147.69)  176.53                80
 05/12/2023   10:58:15   (   0.11,-146.59) (  -0.67,-143.18)  389.49                80
 05/13/2023   23:22:51   (  -0.09,-147.25) (  -0.38,-148.51)  143.63                80