Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 7 17.  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)
 07/17/2021   21:56:26   (   0.07,-127.65) (  -0.05,-128.28)   72.00                80
 07/18/2021   21:40:21   (   0.06,-127.61) (   0.91,-123.74)  440.26                80
 07/20/2021   09:59:29   (  -0.09,-127.63) (   0.24,-129.02)  159.09                80
 07/21/2021   09:43:24   (  -0.08,-127.58) (  -0.78,-124.49)  352.50                80
 07/22/2021   22:02:41   (   0.10,-127.43) (  -0.40,-129.80)  269.54                80
 07/23/2021   21:46:35   (   0.09,-127.38) (   0.56,-125.26)  242.00                80
 07/25/2021   10:05:44   (  -0.11,-127.39) (   0.59,-130.53)  357.74                80
 07/26/2021   09:49:39   (  -0.10,-127.35) (  -0.43,-126.00)  153.79                80
 07/27/2021   22:08:54   (   0.13,-127.19) (  -0.80,-131.30)  468.39                80
 07/28/2021   21:52:50   (   0.11,-127.14) (   0.22,-126.77)   43.23                80