Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 2.  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)
 01/02/2021   14:45:23   (   0.36,-128.22) (  -0.51,-124.43)  432.09                80
 01/04/2021   03:15:21   (  -0.35,-128.22) (  -1.27,-132.24)  458.46                80
 01/05/2021   03:03:38   (  -0.36,-128.22) (  -0.65,-129.37)  132.78                80
 01/06/2021   02:54:35   (  -0.36,-128.21) (   0.02,-126.51)  192.82                80
 01/08/2021   15:12:50   (   0.35,-128.15) (   1.12,-131.46)  377.60                80
 01/09/2021   15:01:07   (   0.36,-128.14) (   0.48,-128.59)   52.61                80
 01/10/2021   14:52:04   (   0.36,-128.12) (  -0.21,-125.74)  272.36                80
 01/13/2021   03:10:20   (  -0.35,-128.08) (  -0.98,-130.68)  296.63                80
 01/14/2021   03:01:18   (  -0.36,-128.06) (  -0.30,-127.82)   28.02                80
 01/15/2021   02:49:35   (  -0.37,-128.04) (   0.38,-124.96)  352.75                80