Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 4 9.  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)
 04/10/2021   09:23:21   (  68.92,  37.11) 04/10/2021   09:24:32  (  68.81,  37.72)   27.37                71
 04/10/2021   10:13:57   ( -68.52,-155.04) 04/10/2021   10:14:05  ( -68.53,-154.99)    2.02                 8
 04/10/2021   11:04:41   (  68.39,  12.44) 04/10/2021   11:03:33  (  68.36,  12.45)    2.53                68
 04/13/2021   01:40:11   (  68.57, 153.34) 04/13/2021   01:41:04  (  68.56, 153.29)    2.47                53
 04/13/2021   02:30:52   ( -68.43, -39.16) 04/13/2021   02:30:34  ( -68.45, -39.21)    2.78                18
 04/13/2021   03:21:22   (  67.55, 129.25) 04/13/2021   03:20:14  (  67.61, 127.45)   76.78                68
 04/15/2021   17:57:06   (  68.54, -90.86) 04/15/2021   17:57:31  (  68.53, -90.87)    1.23                25
 04/15/2021   18:47:47   ( -68.40,  76.64) 04/15/2021   18:47:01  ( -68.42,  76.63)    2.51                46
 04/18/2021   09:23:19   ( -68.69,-142.60) 04/18/2021   09:24:31  ( -68.67,-142.47)    5.68                72
 04/18/2021   10:14:02   (  68.51,  24.94) 04/18/2021   10:13:59  (  68.49,  24.96)    1.91                 3
 04/18/2021   11:04:43   ( -68.37,-167.56) 04/18/2021   11:03:29  ( -68.39,-167.53)    2.66                74
 04/21/2021   01:40:14   ( -68.60, -26.73) 04/21/2021   01:41:00  ( -68.57, -26.71)    3.35                46
 04/21/2021   02:30:57   (  68.43, 140.81) 04/21/2021   02:30:27  (  68.45, 140.79)    2.95                30