Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2023   13:49:19   (  -0.31, 169.70) (  -1.21, 173.79)  464.81                80
 07/24/2023   02:11:22   (   0.35, 168.15) (   0.42, 168.39)   28.08                80
 07/25/2023   14:35:55   (  -0.38, 166.63) (   0.43, 163.04)  408.70                80
 07/26/2023   14:14:34   (  -0.35, 165.63) (  -0.77, 167.53)  216.16                80
 07/28/2023   02:39:16   (   0.39, 164.08) (  -0.07, 162.14)  221.60                80
 07/29/2023   02:17:55   (   0.37, 163.09) (   1.13, 166.63)  403.16                80
 07/30/2023   14:42:29   (  -0.40, 161.57) (  -0.35, 161.27)   34.49                80
 08/01/2023   03:04:31   (   0.43, 160.04) (  -0.49, 155.88)  473.09                80
 08/02/2023   02:43:10   (   0.41, 159.04) (   0.72, 160.37)  151.60                80
 08/03/2023   15:07:43   (  -0.44, 157.52) (   0.11, 155.02)  285.19                80
 08/04/2023   14:46:22   (  -0.41, 156.53) (  -1.10, 159.50)  339.57                80