Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 6 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/08/2021   06:54:52   (   0.08,-128.48) (   0.37,-127.11)  156.12                80
 06/08/2021   19:16:06   (  -0.08,-128.47) (   0.73,-132.27)  431.17                80
 06/10/2021   06:42:39   (   0.09,-128.48) (   0.99,-124.15)  491.81                80
 06/10/2021   19:03:53   (  -0.09,-128.47) (   0.11,-129.31)   95.45                80
 06/12/2021   18:54:20   (  -0.09,-128.46) (  -0.51,-126.35)  239.56                80
 06/13/2021   07:15:44   (   0.09,-128.48) (  -0.59,-131.55)  349.63                80
 06/15/2021   07:03:32   (   0.10,-128.46) (   0.10,-128.60)   15.81                80
 06/17/2021   06:48:39   (   0.10,-128.44) (   0.72,-125.65)  318.36                80
 06/17/2021   19:09:54   (  -0.10,-128.41) (   0.38,-130.80)  270.83                80
 06/19/2021   19:00:21   (  -0.10,-128.39) (  -0.25,-127.85)   62.86                80
 06/21/2021   18:48:07   (  -0.10,-128.36) (  -0.82,-124.88)  395.78                80