Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 15.  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)
 01/15/2021   02:49:34   (  -0.37,-128.06) (   0.35,-124.96)  355.02                80
 01/17/2021   15:07:47   (   0.36,-127.99) (   0.77,-129.89)  217.18                80
 01/18/2021   14:58:44   (   0.37,-127.96) (   0.13,-127.03)  107.42                80
 01/19/2021   14:47:00   (   0.37,-127.94) (  -0.51,-124.16)  431.92                80
 01/21/2021   03:17:02   (  -0.34,-127.93) (  -1.30,-131.98)  463.19                80
 01/22/2021   03:05:19   (  -0.35,-127.90) (  -0.62,-129.12)  138.97                80
 01/23/2021   02:56:16   (  -0.36,-127.88) (   0.00,-126.25)  185.05                80
 01/25/2021   15:14:26   (   0.33,-127.79) (   1.11,-131.19)  387.85                80
 01/26/2021   15:02:43   (   0.35,-127.75) (   0.46,-128.32)   64.34                80
 01/27/2021   14:53:40   (   0.36,-127.72) (  -0.18,-125.45)  259.07                80