Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 12 29.  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)
 12/29/2021   16:02:52   (  -0.14,-128.11) (   0.18,-129.62)  171.67                80
 12/30/2021   15:48:24   (  -0.14,-128.13) (  -0.45,-126.74)  159.23                80
 12/31/2021   15:36:38   (  -0.14,-128.15) (  -1.15,-123.87)  489.89                80
 01/02/2022   04:11:48   (   0.12,-128.17) (  -0.69,-131.64)  396.21                80
 01/03/2022   04:00:01   (   0.12,-128.19) (  -0.04,-128.76)   65.90                80
 01/04/2022   03:45:34   (   0.12,-128.21) (   0.67,-125.89)  264.52                80
 01/06/2022   16:08:59   (  -0.10,-128.26) (   0.49,-130.80)  290.07                80
 01/07/2022   15:54:31   (  -0.10,-128.28) (  -0.16,-127.92)   40.33                80
 01/08/2022   15:42:45   (  -0.10,-128.30) (  -0.87,-125.05)  370.58                80
 01/11/2022   04:06:08   (   0.09,-128.33) (  -0.27,-129.96)  185.45                80