Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 20.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/22/2023   15:37:50   ( -70.43, 121.34) 02/22/2023   15:38:59  ( -70.44, 121.29)    1.92                69
 02/22/2023   16:28:34   (  70.32, -71.18) 02/22/2023   16:28:22  (  70.33, -71.21)    1.43                12
 02/22/2023   17:19:06   ( -69.70,  97.08) 02/22/2023   17:17:56  ( -69.80,  95.69)   54.32                70
 02/25/2023   04:31:45   ( -70.45, -72.18) 02/25/2023   04:32:49  ( -70.47, -72.15)    2.14                64
 02/25/2023   05:22:29   (  70.34,  95.30) 02/25/2023   05:22:12  (  70.35,  95.33)    1.18                17
 02/25/2023   06:12:58   ( -69.56, -96.21) 02/25/2023   06:11:50  ( -69.60, -98.06)   71.79                68
 02/27/2023   17:25:40   ( -70.43,  94.36) 02/27/2023   17:26:40  ( -70.46,  94.35)    3.16                60
 02/27/2023   18:16:24   (  70.33, -98.16) 02/27/2023   18:16:03  (  70.33, -98.18)    0.82                21
 02/27/2023   19:06:50   ( -69.38,  70.56) 02/27/2023   19:05:43  ( -69.48,  68.30)   89.25                67
 03/02/2023   06:19:36   ( -70.47, -99.19) 03/02/2023   06:20:30  ( -70.47, -99.13)    2.28                54
 03/02/2023   07:10:19   (  70.32,  68.37) 03/02/2023   07:09:53  (  70.33,  68.34)    1.79                26
 03/04/2023   19:13:30   ( -70.42,  67.42) 03/04/2023   19:14:20  ( -70.43,  67.35)    3.24                50
 03/04/2023   20:04:14   (  70.32,-125.12) 03/04/2023   20:03:42  (  70.35,-125.11)    3.48                32