Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 4 12.  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)
 04/13/2021   01:40:11   (  68.60, 153.30) 04/13/2021   01:41:03  (  68.58, 153.31)    2.12                52
 04/13/2021   02:30:52   ( -68.47, -39.21) 04/13/2021   02:30:33  ( -68.47, -39.19)    0.82                19
 04/13/2021   03:21:22   (  67.58, 129.21) 04/13/2021   03:20:13  (  67.63, 127.48)   73.83                69
 04/15/2021   17:06:41   ( -69.66, 100.28) 04/15/2021   17:07:47  ( -69.60, 102.86)   99.94                66
 04/15/2021   17:57:07   (  68.57, -90.90) 04/15/2021   17:57:31  (  68.55, -90.85)    3.22                24
 04/15/2021   18:47:48   ( -68.44,  76.59) 04/15/2021   18:47:01  ( -68.44,  76.65)    2.55                47
 04/18/2021   09:23:20   ( -68.73,-142.65) 04/18/2021   09:24:31  ( -68.68,-142.45)    9.40                71
 04/18/2021   10:14:02   (  68.49,  24.96) 04/18/2021   10:13:59  (  68.51,  24.99)    2.68                 3
 04/18/2021   11:04:43   ( -68.36,-167.54) 04/18/2021   11:03:30  ( -68.35,-167.58)    1.51                73
 04/21/2021   01:40:14   ( -68.59, -26.71) 04/21/2021   01:41:00  ( -68.59, -26.69)    1.01                46
 04/21/2021   02:30:58   (  68.47, 140.76) 04/21/2021   02:30:27  (  68.47, 140.81)    2.32                31
 04/21/2021   03:21:21   ( -67.36, -50.55) 04/21/2021   03:20:14  ( -67.42, -52.77)   95.41                67
 04/23/2021   17:06:39   (  69.30, -79.23) 04/23/2021   17:07:48  (  69.15, -77.74)   61.10                69
 04/23/2021   17:57:09   ( -68.57,  89.08) 04/23/2021   17:57:27  ( -68.55,  89.14)    3.06                18
 04/23/2021   18:47:52   (  68.39,-103.38) 04/23/2021   18:46:55  (  68.37,-103.43)    3.05                57