Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 7 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)
 07/25/2023   14:35:56   (  -0.38, 166.63) (   0.41, 163.04)  409.02                80
 07/26/2023   14:14:34   (  -0.35, 165.64) (  -0.79, 167.53)  215.75                80
 07/28/2023   02:39:16   (   0.39, 164.09) (  -0.06, 162.14)  222.13                80
 07/29/2023   02:17:55   (   0.36, 163.09) (   1.14, 166.63)  402.56                80
 07/30/2023   14:42:28   (  -0.40, 161.58) (  -0.30, 161.28)   35.20                80
 08/01/2023   03:04:31   (   0.43, 160.04) (  -0.47, 155.88)  473.91                80
 08/02/2023   02:43:09   (   0.41, 159.05) (   0.67, 160.38)  150.78                80
 08/03/2023   15:07:43   (  -0.44, 157.53) (   0.10, 155.02)  285.99                80
 08/04/2023   14:46:21   (  -0.41, 156.54) (  -1.05, 159.52)  338.71                80
 08/06/2023   03:11:03   (   0.44, 154.99) (   0.22, 154.13)   99.05                80