Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 5 13.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/15/2021   00:49:51   ( -69.30, -15.06) 05/15/2021   00:51:00  ( -69.24, -13.52)   61.14                69
 05/15/2021   01:40:24   (  68.58, 153.22) 05/15/2021   01:40:37  (  68.57, 153.29)    2.87                13
 05/15/2021   02:31:04   ( -68.39, -39.22) 05/15/2021   02:30:08  ( -68.40, -39.28)    2.95                56
 05/17/2021   17:06:34   ( -68.65, 101.58) 05/17/2021   17:07:36  ( -68.64, 101.60)    2.02                62
 05/17/2021   17:57:18   (  68.53, -90.94) 05/17/2021   17:57:03  (  68.52, -90.89)    2.09                15
 05/17/2021   18:47:51   ( -67.96,  77.10) 05/17/2021   18:46:40  ( -68.02,  76.15)   40.33                71
 05/20/2021   09:23:29   ( -68.60,-142.58) 05/20/2021   09:24:03  ( -68.58,-142.58)    1.51                34
 05/20/2021   10:14:13   (  68.47,  24.89) 05/20/2021   10:13:30  (  68.46,  24.92)    1.67                43
 05/23/2021   00:49:46   (  68.85, 165.53) 05/23/2021   00:50:57  (  68.79, 165.92)   17.11                71
 05/23/2021   01:40:24   ( -68.54, -26.74) 05/23/2021   01:40:30  ( -68.52, -26.77)    2.53                 6
 05/23/2021   02:31:08   (  68.42, 140.72) 05/23/2021   02:29:57  (  68.40, 140.72)    2.78                71
 05/25/2021   17:06:37   (  68.59, -78.35) 05/25/2021   17:07:26  (  68.61, -78.42)    3.51                49
 05/25/2021   17:57:19   ( -68.49,  89.09) 05/25/2021   17:56:56  ( -68.51,  89.10)    2.15                23
 05/25/2021   18:47:46   (  67.46,-102.31) 05/25/2021   18:46:39  (  67.49,-104.45)   91.17                67