Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 18.  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)
 07/18/2021   03:40:39   (   0.19,-127.66) (   0.00,-130.39)  304.18                80
 07/19/2021   03:26:07   (   0.19,-127.62) (   0.23,-127.42)   22.63                80
 07/20/2021   03:14:21   (   0.19,-127.58) (   0.87,-124.55)  345.39                80
 07/22/2021   15:35:03   (  -0.19,-127.50) (   0.28,-129.44)  222.31                80
 07/23/2021   15:25:59   (  -0.20,-127.45) (  -0.41,-126.58)  100.08                80
 07/24/2021   15:14:13   (  -0.21,-127.41) (  -1.04,-123.70)  422.47                80
 07/26/2021   03:46:54   (   0.20,-127.31) (  -0.77,-131.52)  480.87                80
 07/27/2021   03:35:09   (   0.21,-127.26) (  -0.12,-128.65)  158.57                80
 07/28/2021   03:20:43   (   0.21,-127.21) (   0.53,-125.78)  163.72                80
 07/29/2021   03:08:58   (   0.22,-127.17) (   1.18,-122.90)  486.03                80
 07/30/2021   15:41:27   (  -0.20,-127.11) (   0.60,-130.68)  406.61                80
 07/31/2021   15:29:42   (  -0.21,-127.07) (  -0.03,-127.80)   84.34                80