Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 13.  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)
 01/13/2021   03:11:57   (  -0.35,-128.10) (   0.00,-130.90)  313.96                 0
 01/14/2021   03:01:17   (  -0.36,-128.08) (  -0.31,-127.82)   30.39                80
 01/15/2021   02:49:35   (  -0.37,-128.07) (   0.37,-124.96)  355.21                80
 01/17/2021   15:07:47   (   0.36,-127.99) (   0.81,-129.89)  216.77                80
 01/18/2021   14:58:43   (   0.37,-127.97) (   0.17,-127.02)  107.95                80
 01/19/2021   14:47:01   (   0.37,-127.95) (  -0.53,-124.16)  432.54                80
 01/21/2021   03:17:02   (  -0.34,-127.93) (  -1.29,-131.98)  462.34                80
 01/22/2021   03:05:19   (  -0.35,-127.91) (  -0.60,-129.13)  138.05                80
 01/23/2021   02:56:16   (  -0.36,-127.89) (   0.02,-126.26)  186.11                80
 01/25/2021   15:14:26   (   0.33,-127.80) (   1.15,-131.18)  386.59                80
 01/26/2021   15:02:43   (   0.35,-127.77) (   0.45,-128.32)   63.01                80