Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 2 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/19/2023   09:57:06   (   0.09,-128.18) (  -0.14,-127.24)  107.76                80
 02/20/2023   22:19:01   (  -0.09,-128.16) (  -1.08,-132.52)  497.45                80
 02/21/2023   21:57:37   (  -0.09,-128.15) (  -0.04,-128.00)   17.84                80
 02/24/2023   10:00:39   (   0.09,-128.11) (   0.24,-128.71)   69.38                80
 02/25/2023   09:44:34   (   0.09,-128.09) (  -0.81,-124.19)  445.95                80
 02/26/2023   22:06:30   (  -0.10,-128.07) (  -0.39,-129.48)  159.59                80
 02/27/2023   21:45:04   (  -0.10,-128.05) (   0.60,-124.94)  355.16                80
 03/01/2023   10:06:51   (   0.10,-128.01) (   0.58,-130.20)  248.67                80
 03/02/2023   09:50:46   (   0.11,-127.99) (  -0.42,-125.66)  266.11                80
 03/03/2023   22:12:41   (  -0.11,-127.97) (  -0.77,-130.95)  339.67                80
 03/04/2023   21:51:16   (  -0.11,-127.95) (   0.23,-126.41)  174.67                80