Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 12 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/17/2021   03:56:52   (   0.19,-127.66) (  -0.18,-129.25)  182.26                80
 12/18/2021   03:47:45   (   0.18,-127.61) (   0.46,-126.37)  141.66                80
 12/19/2021   03:35:57   (   0.18,-127.57) (   1.10,-123.49)  465.43                80
 12/20/2021   16:08:27   (  -0.17,-127.54) (   0.69,-131.27)  426.00                80
 12/21/2021   15:56:40   (  -0.17,-127.49) (   0.06,-128.39)  102.72                80
 12/22/2021   15:44:53   (  -0.16,-127.44) (  -0.62,-125.52)  220.52                80
 12/25/2021   04:02:58   (   0.15,-127.29) (  -0.57,-130.42)  357.39                80
 12/26/2021   03:51:11   (   0.15,-127.24) (   0.08,-127.54)   34.35                80
 12/27/2021   03:42:03   (   0.15,-127.19) (   0.72,-124.66)  288.57                80
 12/29/2021   16:02:47   (  -0.14,-127.09) (   0.46,-129.55)  282.34                80