Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 23.  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)
 09/23/2021   09:43:08   (   0.38,-127.82) (  -0.40,-124.40)  390.30                80
 09/24/2021   22:02:24   (  -0.36,-127.74) (  -0.83,-129.70)  223.96                80
 09/25/2021   21:46:19   (  -0.37,-127.70) (   0.21,-125.17)  288.84                80
 09/27/2021   10:05:26   (   0.35,-127.68) (   0.95,-130.44)  314.56                80
 09/28/2021   09:49:21   (   0.36,-127.64) (  -0.03,-125.90)  197.90                80
 09/29/2021   22:08:37   (  -0.33,-127.54) (  -1.13,-131.21)  417.40                80
 09/30/2021   21:52:32   (  -0.34,-127.50) (  -0.15,-126.67)   94.59                80
 10/03/2021   09:52:54   (   0.32,-127.42) (   0.33,-127.40)    2.20                80
 10/05/2021   21:56:04   (  -0.31,-127.27) (  -0.50,-128.17)  102.24                80
 10/06/2021   21:39:59   (  -0.32,-127.22) (   0.49,-123.63)  409.35                80