Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 7 18.  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)
 07/20/2021   16:16:01   (  68.74, -65.94) 07/20/2021   16:16:59  (  68.72, -65.91)    2.53                58
 07/20/2021   17:06:42   ( -68.60, 101.56) 07/20/2021   17:06:29  ( -68.61, 101.59)    1.78                13
 07/20/2021   17:57:15   (  67.88, -90.22) 07/20/2021   17:56:06  (  67.93, -91.56)   56.75                69
 07/23/2021   08:32:55   (  68.67,  49.91) 07/23/2021   08:33:25  (  68.70,  49.95)    3.08                30
 07/23/2021   09:23:36   ( -68.53,-142.58) 07/23/2021   09:22:56  ( -68.53,-142.62)    1.41                40
 07/25/2021   23:59:10   ( -68.99,  -2.06) 07/26/2021   00:00:22  ( -68.90,  -1.56)   22.67                72
 07/26/2021   00:49:49   (  68.61, 165.76) 07/26/2021   00:49:52  (  68.61, 165.73)    1.43                 3
 07/26/2021   01:40:31   ( -68.52, -26.80) 07/26/2021   01:39:22  ( -68.51, -26.76)    1.75                69
 07/28/2021   16:16:00   ( -68.72, 114.08) 07/28/2021   16:16:51  ( -68.71, 114.08)    1.06                51
 07/28/2021   17:06:44   (  68.60, -78.46) 07/28/2021   17:06:18  (  68.58, -78.42)    2.31                26
 07/28/2021   17:57:10   ( -67.65,  90.07) 07/28/2021   17:56:02  ( -67.70,  88.17)   80.24                68
 07/31/2021   07:42:26   (  69.55,  61.37) 07/31/2021   07:43:34  (  69.44,  63.28)   75.15                68
 07/31/2021   08:32:53   ( -68.65,-130.07) 07/31/2021   08:33:16  ( -68.67,-130.07)    2.45                23
 07/31/2021   09:23:37   (  68.54,  37.39) 07/31/2021   09:22:43  (  68.55,  37.42)    1.68                54