Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 7 19.  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)
 07/20/2021   09:59:29   (  -0.09,-127.63) (   0.23,-129.02)  158.90                80
 07/21/2021   09:43:25   (  -0.08,-127.58) (  -0.79,-124.49)  352.73                80
 07/22/2021   22:02:41   (   0.10,-127.43) (  -0.40,-129.80)  269.26                80
 07/23/2021   21:46:35   (   0.10,-127.38) (   0.57,-125.26)  242.35                80
 07/25/2021   10:05:44   (  -0.12,-127.40) (   0.58,-130.53)  357.23                80
 07/26/2021   09:49:39   (  -0.11,-127.35) (  -0.44,-126.00)  154.35                80
 07/27/2021   22:08:55   (   0.13,-127.20) (  -0.80,-131.30)  467.83                80
 07/28/2021   21:52:50   (   0.12,-127.15) (   0.22,-126.77)   43.83                80
 07/31/2021   09:53:13   (  -0.13,-127.12) (  -0.03,-127.50)   44.40                80
 08/01/2021   09:37:08   (  -0.12,-127.07) (  -1.05,-122.98)  466.74                80