Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 8.  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)
 09/08/2021   22:02:29   (  -0.42,-128.17) (  -0.75,-129.73)  177.01                80
 09/09/2021   21:46:24   (  -0.42,-128.16) (   0.23,-125.19)  338.35                80
 09/11/2021   10:05:31   (   0.42,-128.19) (   0.95,-130.45)  258.52                80
 09/12/2021   09:49:27   (   0.42,-128.18) (  -0.09,-125.93)  256.41                80
 09/13/2021   22:08:43   (  -0.41,-128.10) (  -1.08,-131.24)  357.07                80
 09/14/2021   21:52:38   (  -0.41,-128.08) (  -0.11,-126.70)  157.23                80
 09/16/2021   10:11:45   (   0.39,-128.10) (   1.28,-131.96)  441.40                80
 09/17/2021   09:55:40   (   0.39,-128.08) (   0.24,-127.44)   72.93                80
 09/19/2021   21:56:11   (  -0.38,-127.97) (  -0.43,-128.21)   26.49                80
 09/20/2021   21:40:06   (  -0.39,-127.95) (   0.55,-123.67)  487.86                80