Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 22.  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   ( -70.48, 121.27) 02/22/2023   15:38:58  ( -70.45, 121.31)    3.09                68
 02/22/2023   16:28:34   (  70.36, -71.24) 02/22/2023   16:28:21  (  70.34, -71.20)    3.17                13
 02/22/2023   17:19:06   ( -69.74,  97.01) 02/22/2023   17:17:55  ( -69.80,  95.70)   50.76                71
 02/25/2023   04:31:45   ( -70.44, -72.17) 02/25/2023   04:32:50  ( -70.43, -72.22)    2.81                65
 02/25/2023   05:22:29   (  70.33,  95.32) 02/25/2023   05:22:12  (  70.36,  95.34)    3.09                17
 02/25/2023   06:12:58   ( -69.55, -96.20) 02/25/2023   06:11:50  ( -69.61, -98.04)   72.00                68
 02/27/2023   17:25:41   ( -70.47,  94.30) 02/27/2023   17:26:40  ( -70.47,  94.36)    2.50                59
 02/27/2023   18:16:25   (  70.36, -98.22) 02/27/2023   18:16:03  (  70.34, -98.16)    3.23                22
 02/27/2023   19:06:51   ( -69.42,  70.50) 02/27/2023   19:05:44  ( -69.44,  68.24)   88.43                67
 03/02/2023   06:19:36   ( -70.46, -99.17) 03/02/2023   06:20:31  ( -70.43, -99.18)    3.06                55
 03/02/2023   07:10:20   (  70.35,  68.31) 03/02/2023   07:09:53  (  70.35,  68.37)    2.20                27
 03/04/2023   19:13:31   ( -70.45,  67.36) 03/04/2023   19:14:20  ( -70.46,  67.39)    1.64                49
 03/04/2023   20:04:15   (  70.35,-125.17) 03/04/2023   20:03:43  (  70.32,-125.15)    3.00                32
 03/07/2023   08:07:25   ( -70.45,-126.13) 03/07/2023   08:08:08  ( -70.46,-126.09)    1.47                43
 03/07/2023   08:58:08   (  70.30,  41.42) 03/07/2023   08:57:31  (  70.32,  41.36)    2.61                37