Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 1 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2021   18:59:33   (  -0.05,-127.76) (  -0.04,-127.80)    4.98                80
 01/28/2021   18:50:00   (  -0.04,-127.69) (  -0.64,-124.84)  323.66                80
 01/29/2021   07:08:44   (   0.08,-127.62) (  -0.40,-130.04)  274.45                80
 01/31/2021   06:59:12   (   0.08,-127.55) (   0.20,-127.08)   53.86                80
 02/02/2021   06:46:59   (   0.07,-127.47) (   0.81,-124.12)  381.82                80
 02/02/2021   19:05:33   (  -0.11,-127.49) (   0.30,-129.27)  202.78                80
 02/04/2021   18:56:00   (  -0.11,-127.41) (  -0.31,-126.31)  124.35                80
 02/05/2021   07:14:45   (   0.15,-127.34) (  -0.72,-131.52)  474.62                80
 02/06/2021   18:43:47   (  -0.10,-127.32) (  -0.93,-123.35)  450.76                80
 02/07/2021   07:02:32   (   0.14,-127.25) (  -0.11,-128.56)  148.33                80