Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 1 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/24/2023   09:44:33   (   0.02,-128.24) (  -0.87,-124.29)  449.95                80
 01/25/2023   22:06:30   (  -0.02,-128.21) (  -0.31,-129.60)  156.92                80
 01/26/2023   21:45:06   (  -0.02,-128.22) (   0.69,-125.06)  360.60                80
 01/28/2023   10:06:54   (   0.02,-128.28) (   0.49,-130.33)  233.73                80
 01/29/2023   09:50:50   (   0.02,-128.29) (  -0.51,-125.79)  283.88                80
 01/30/2023   22:12:47   (  -0.02,-128.26) (  -0.64,-131.10)  323.06                80
 01/31/2023   21:51:23   (  -0.02,-128.26) (   0.36,-126.56)  193.89                80
 02/02/2023   10:13:11   (   0.02,-128.30) (   0.81,-131.83)  402.00                80
 02/03/2023   09:57:06   (   0.02,-128.31) (  -0.20,-127.30)  115.00                80
 02/04/2023   22:19:03   (  -0.02,-128.28) (  -0.99,-132.60)  492.09                80
 02/05/2023   21:57:38   (  -0.02,-128.28) (   0.02,-128.06)   24.40                80