Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2021   18:42:01   (  -0.14,-127.78) (  -0.78,-124.87)  331.72                80
 12/15/2021   07:06:03   (   0.12,-127.73) (  -0.35,-130.06)  263.57                80
 12/17/2021   06:51:08   (   0.12,-127.66) (   0.27,-127.09)   64.42                80
 12/19/2021   06:38:53   (   0.12,-127.57) (   0.83,-124.12)  391.76                80
 12/19/2021   19:02:47   (  -0.11,-127.58) (   0.24,-129.28)  193.65                80
 12/21/2021   18:47:52   (  -0.11,-127.49) (  -0.38,-126.32)  133.18                80
 12/22/2021   07:11:55   (   0.09,-127.44) (  -0.74,-131.51)  462.34                80
 12/23/2021   18:35:36   (  -0.10,-127.39) (  -0.95,-123.35)  459.61                80
 12/24/2021   06:59:39   (   0.09,-127.34) (  -0.17,-128.54)  135.98                80
 12/26/2021   06:44:44   (   0.09,-127.24) (   0.46,-125.57)  190.07                80
 12/26/2021   19:08:38   (  -0.07,-127.24) (   0.67,-130.72)  396.04                80