Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 29.  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)
 06/29/2021   09:55:54   (   0.00,-128.30) (  -0.16,-127.50)   90.63                80
 07/01/2021   21:56:26   (  -0.00,-128.17) (  -0.02,-128.28)   12.25                80
 07/04/2021   09:59:30   (  -0.01,-128.20) (   0.15,-129.03)   94.00                80
 07/05/2021   09:43:24   (  -0.00,-128.17) (  -0.81,-124.48)  419.70                80
 07/06/2021   22:02:41   (   0.02,-128.05) (  -0.38,-129.79)  199.03                80
 07/07/2021   21:46:36   (   0.02,-128.02) (   0.64,-125.26)  314.49                80
 07/09/2021   10:05:45   (  -0.03,-128.06) (   0.52,-130.54)  282.36                80
 07/10/2021   09:49:40   (  -0.03,-128.03) (  -0.50,-126.01)  230.59                80
 07/11/2021   22:08:55   (   0.05,-127.89) (  -0.74,-131.30)  389.66                80
 07/12/2021   21:52:51   (   0.03,-127.85) (   0.28,-126.77)  123.28                80