Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 24.  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   21:55:15   (   0.03,-127.97) (   0.00,-127.99)    3.94                80
 12/27/2021   09:58:17   (  -0.04,-128.04) (   0.08,-128.73)   77.58                80
 12/28/2021   09:42:11   (  -0.03,-128.07) (  -0.88,-124.18)  442.42                80
 12/29/2021   22:01:26   (   0.04,-128.10) (  -0.27,-129.49)  158.36                80
 12/30/2021   21:45:21   (   0.03,-128.12) (   0.75,-124.95)  361.17                80
 01/01/2022   10:04:27   (  -0.04,-128.15) (   0.41,-130.21)  234.71                80
 01/02/2022   09:48:21   (  -0.03,-128.17) (  -0.62,-125.68)  284.26                80
 01/03/2022   22:07:36   (   0.04,-128.18) (  -0.59,-130.97)  317.99                80
 01/04/2022   21:51:30   (   0.04,-128.20) (   0.44,-126.44)  200.84                80
 01/06/2022   10:10:37   (  -0.05,-128.23) (   0.72,-131.70)  395.43                80