Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2021   21:55:16   (   0.03,-127.97) (   0.03,-127.99)    3.31                80
 12/27/2021   09:58:17   (  -0.04,-128.04) (   0.12,-128.72)   77.63                80
 12/28/2021   09:42:11   (  -0.03,-128.07) (  -0.91,-124.19)  442.26                80
 12/29/2021   22:01:26   (   0.04,-128.09) (  -0.25,-129.49)  158.75                80
 12/30/2021   21:45:20   (   0.03,-128.11) (   0.72,-124.94)  360.77                80
 01/01/2022   10:04:26   (  -0.04,-128.15) (   0.44,-130.21)  235.03                80
 01/02/2022   09:48:21   (  -0.03,-128.17) (  -0.58,-125.67)  283.91                80
 01/03/2022   22:07:36   (   0.04,-128.18) (  -0.56,-130.98)  318.56                80
 01/04/2022   21:51:30   (   0.03,-128.19) (   0.41,-126.43)  200.25                80