Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 16.  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)
 12/16/2021   10:04:40   (  -0.02,-127.70) (   0.58,-130.26)  293.07                80
 12/17/2021   09:48:35   (  -0.01,-127.66) (  -0.44,-125.73)  219.69                80
 12/18/2021   22:07:50   (   0.03,-127.60) (  -0.72,-131.03)  390.48                80
 12/19/2021   21:51:44   (   0.01,-127.56) (   0.24,-126.48)  122.08                80
 12/21/2021   10:10:50   (  -0.03,-127.48) (   0.94,-131.74)  486.19                80
 12/22/2021   09:54:45   (  -0.02,-127.44) (  -0.08,-127.21)   25.81                80
 12/24/2021   21:55:13   (   0.03,-127.32) (  -0.12,-127.96)   73.66                80
 12/25/2021   21:39:08   (   0.02,-127.27) (   0.90,-123.43)  438.25                80
 12/27/2021   09:58:14   (  -0.04,-127.19) (   0.27,-128.69)  170.61                80
 12/28/2021   09:42:08   (  -0.03,-127.14) (  -0.69,-124.14)  340.83                80
 12/29/2021   22:01:23   (   0.04,-127.06) (  -0.46,-129.45)  271.86                80