Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 2 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)
 02/13/2021   10:13:50   (  68.46,  24.97) 02/13/2021   10:14:42  (  68.45,  24.96)    0.84                52
 02/13/2021   11:04:31   ( -68.32,-167.53) 02/13/2021   11:04:12  ( -68.34,-167.54)    2.43                19
 02/13/2021   11:55:01   (  67.44,   0.87) 02/13/2021   11:53:53  (  67.45,  -0.93)   76.85                68
 02/16/2021   02:30:44   (  68.41, 140.81) 02/16/2021   02:31:10  (  68.39, 140.76)    3.06                26
 02/16/2021   03:21:25   ( -68.27, -51.69) 02/16/2021   03:20:40  ( -68.28, -51.73)    2.52                45
 02/18/2021   17:56:57   ( -68.64,  88.98) 02/18/2021   17:58:08  ( -68.60,  89.26)   11.96                71
 02/18/2021   18:47:38   (  68.36,-103.35) 02/18/2021   18:47:37  (  68.37,-103.37)    1.94                 1
 02/18/2021   19:38:20   ( -68.27,  64.09) 02/18/2021   19:37:07  ( -68.27,  64.14)    2.04                73
 02/21/2021   10:13:49   ( -68.48,-155.04) 02/21/2021   10:14:37  ( -68.48,-155.01)    1.02                48
 02/21/2021   11:04:33   (  68.36,  12.42) 02/21/2021   11:04:04  (  68.35,  12.49)    2.96                29
 02/21/2021   11:54:57   ( -67.30,-178.95) 02/21/2021   11:53:50  ( -67.36, 178.98)   89.35                67
 02/24/2021   01:40:14   (  69.28, 152.34) 02/24/2021   01:41:22  (  69.16, 154.10)   70.84                68
 02/24/2021   02:30:42   ( -68.43, -39.20) 02/24/2021   02:31:03  ( -68.45, -39.15)    3.25                21
 02/24/2021   03:21:25   (  68.27, 128.33) 02/24/2021   03:20:31  (  68.27, 128.27)    2.33                54
 02/26/2021   17:56:55   (  68.54, -90.88) 02/26/2021   17:58:00  (  68.52, -90.82)    2.89                65
 02/26/2021   18:47:36   ( -68.38,  76.64) 02/26/2021   18:47:31  ( -68.37,  76.63)    1.26                 5
 02/26/2021   19:38:14   (  67.95,-115.50) 02/26/2021   19:37:02  (  68.02,-116.14)   27.78                72