Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 8 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)
 08/25/2023   16:36:09   (   0.42, 135.18) (   0.93, 132.98)  251.16                80
 08/26/2023   16:14:48   (   0.41, 134.17) (  -0.30, 137.46)  374.95                80
 08/28/2023   04:39:30   (  -0.41, 132.56) (  -0.49, 132.07)   54.94                80
 08/29/2023   17:01:22   (   0.40, 131.03) (   1.34, 126.73)  489.18                80
 08/30/2023   16:40:00   (   0.40, 130.01) (   0.16, 131.22)  137.93                80
 09/01/2023   05:04:42   (  -0.40, 128.39) (  -0.94, 125.83)  291.03                80
 09/02/2023   04:43:20   (  -0.40, 127.36) (   0.24, 130.32)  337.65                80
 09/03/2023   17:07:52   (   0.40, 125.80) (   0.60, 124.98)   94.22                80
 09/06/2023   05:08:32   (  -0.40, 123.14) (  -0.18, 124.08)  106.60                80
 09/07/2023   17:33:04   (   0.39, 121.57) (   1.02, 118.73)  323.56                80