Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 1.  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)
 12/01/2021   09:48:51   (   0.04,-128.18) (  -0.51,-125.82)  268.61                80
 12/02/2021   22:08:06   (  -0.02,-128.15) (  -0.66,-131.13)  338.59                80
 12/03/2021   21:52:00   (  -0.03,-128.12) (   0.30,-126.58)  175.83                80
 12/05/2021   10:11:07   (   0.01,-128.07) (   0.84,-131.85)  430.28                80
 12/06/2021   09:55:00   (   0.02,-128.04) (  -0.12,-127.30)   83.53                80
 12/08/2021   21:55:30   (  -0.01,-127.97) (  -0.03,-128.07)   11.41                80
 12/11/2021   09:58:31   (  -0.01,-127.88) (   0.20,-128.79)  103.96                80
 12/12/2021   09:42:26   (   0.00,-127.85) (  -0.81,-124.26)  409.72                80
 12/13/2021   22:01:40   (   0.02,-127.81) (  -0.40,-129.55)  199.16                80
 12/14/2021   21:45:35   (   0.00,-127.77) (   0.62,-125.01)  314.51                80