Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 28.  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)
 09/28/2021   09:49:20   (   0.36,-127.63) (  -0.00,-125.89)  197.57                80
 09/29/2021   22:08:37   (  -0.33,-127.55) (  -1.16,-131.20)  416.79                80
 09/30/2021   21:52:31   (  -0.34,-127.50) (  -0.18,-126.66)   95.20                80
 10/03/2021   09:55:34   (   0.32,-127.41) (   0.30,-127.41)    2.90                80
 10/05/2021   21:56:04   (  -0.31,-127.28) (  -0.53,-128.16)  101.81                80
 10/06/2021   21:39:58   (  -0.32,-127.23) (   0.46,-123.63)  409.79                80
 10/08/2021   09:59:06   (   0.30,-127.17) (   0.70,-128.90)  197.18                80
 10/09/2021   09:43:00   (   0.31,-127.12) (  -0.29,-124.36)  314.07                80
 10/10/2021   22:02:17   (  -0.28,-127.02) (  -0.86,-129.67)  302.05                80
 10/11/2021   21:46:11   (  -0.29,-126.96) (   0.13,-125.13)  208.50                80