Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 12 17.  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)
 12/18/2021   03:47:45   (   0.18,-127.61) (   0.48,-126.38)  141.53                80
 12/19/2021   03:35:58   (   0.18,-127.57) (   1.12,-123.49)  465.26                80
 12/20/2021   16:08:27   (  -0.17,-127.54) (   0.72,-131.26)  426.08                80
 12/21/2021   15:56:40   (  -0.17,-127.49) (   0.04,-128.39)  102.80                80
 12/22/2021   15:44:53   (  -0.16,-127.44) (  -0.59,-125.51)  220.40                80
 12/25/2021   04:02:58   (   0.15,-127.28) (  -0.60,-130.41)  357.72                80
 12/26/2021   03:51:11   (   0.15,-127.23) (   0.10,-127.54)   34.81                80
 12/27/2021   03:42:04   (   0.15,-127.18) (   0.75,-124.66)  288.20                80
 12/29/2021   16:02:48   (  -0.14,-127.08) (   0.43,-129.56)  282.62                80
 12/30/2021   15:51:00   (  -0.14,-127.03) (  -0.20,-126.68)   39.59                80