Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 12 24.  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)
 12/25/2021   04:05:41   (   0.15,-127.97) (  -0.42,-130.45)  283.19                80
 12/26/2021   03:51:13   (   0.15,-128.00) (   0.23,-127.57)   48.30                80
 12/27/2021   03:39:27   (   0.15,-128.03) (   0.93,-124.70)  379.57                80
 12/29/2021   16:02:52   (  -0.14,-128.10) (   0.19,-129.62)  172.32                80
 12/30/2021   15:48:24   (  -0.14,-128.12) (  -0.45,-126.73)  158.32                80
 12/31/2021   15:36:38   (  -0.14,-128.14) (  -1.14,-123.87)  488.72                80
 01/02/2022   04:11:48   (   0.12,-128.15) (  -0.70,-131.64)  398.28                80
 01/03/2022   04:00:02   (   0.12,-128.17) (   0.01,-128.77)   68.23                80
 01/04/2022   03:45:34   (   0.12,-128.18) (   0.66,-125.89)  261.87                80
 01/06/2022   16:08:59   (  -0.10,-128.24) (   0.51,-130.80)  293.02                80