Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2021   15:22:19   (   0.10,-127.89) (   0.55,-129.86)  224.70                80
 04/21/2021   15:10:35   (   0.10,-127.85) (  -0.12,-127.00)   98.28                80
 04/22/2021   14:58:51   (   0.10,-127.81) (  -0.73,-124.12)  421.13                80
 04/24/2021   03:31:26   (  -0.10,-127.65) (  -1.11,-131.91)  486.76                80
 04/25/2021   03:19:42   (  -0.10,-127.61) (  -0.43,-129.05)  164.05                80
 04/26/2021   03:10:38   (  -0.10,-127.57) (   0.20,-126.18)  158.55                80
 04/27/2021   02:58:55   (  -0.10,-127.53) (   0.88,-123.32)  480.89                80
 04/28/2021   15:28:53   (   0.09,-127.56) (   0.89,-131.13)  406.72                80
 04/29/2021   15:17:08   (   0.09,-127.52) (   0.27,-128.26)   84.87                80
 04/30/2021   15:08:05   (   0.09,-127.47) (  -0.41,-125.40)  236.82                80