Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 12/17/2021   09:48:35   (  -0.01,-127.66) (  -0.46,-125.73)  219.64                80
 12/18/2021   22:07:50   (   0.03,-127.60) (  -0.76,-131.02)  390.53                80
 12/19/2021   21:51:44   (   0.01,-127.56) (   0.26,-126.49)  122.00                80
 12/21/2021   10:10:50   (  -0.03,-127.48) (   0.92,-131.75)  486.32                80
 12/22/2021   09:54:45   (  -0.02,-127.43) (  -0.10,-127.21)   25.83                80
 12/24/2021   21:55:14   (   0.03,-127.32) (  -0.09,-127.97)   73.87                80
 12/25/2021   21:39:07   (   0.02,-127.27) (   0.87,-123.42)  438.06                80
 12/27/2021   09:58:14   (  -0.04,-127.19) (   0.30,-128.68)  170.84                80
 12/28/2021   09:42:08   (  -0.03,-127.13) (  -0.72,-124.15)  340.57                80
 12/29/2021   22:01:22   (   0.04,-127.05) (  -0.49,-129.44)  272.10                80
 12/30/2021   21:45:17   (   0.03,-127.00) (   0.53,-124.91)  239.07                80