Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 11 30.  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)
 11/30/2021   10:04:56   (   0.03,-128.20) (   0.53,-130.35)  246.23                80
 12/01/2021   09:48:50   (   0.04,-128.18) (  -0.48,-125.82)  268.53                80
 12/02/2021   22:08:06   (  -0.02,-128.15) (  -0.68,-131.12)  338.80                80
 12/03/2021   21:52:00   (  -0.03,-128.12) (   0.33,-126.58)  175.55                80
 12/05/2021   10:11:06   (   0.01,-128.07) (   0.86,-131.84)  430.58                80
 12/06/2021   09:55:01   (   0.02,-128.04) (  -0.15,-127.31)   83.13                80
 12/08/2021   21:55:30   (  -0.01,-127.96) (  -0.06,-128.06)   12.25                80
 12/11/2021   09:58:32   (  -0.01,-127.88) (   0.17,-128.80)  104.67                80
 12/12/2021   09:42:25   (   0.00,-127.84) (  -0.79,-124.25)  408.99                80
 12/13/2021   22:01:41   (   0.02,-127.80) (  -0.37,-129.55)  200.03                80