Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 13.  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)
 02/15/2023   00:56:07   ( -70.66, -18.55) 02/15/2023   00:57:19  ( -70.55, -18.07)   21.42                72
 02/15/2023   01:46:47   (  70.33, 149.27) 02/15/2023   01:46:44  (  70.33, 149.28)    0.34                 3
 02/15/2023   02:37:25   ( -70.03, -42.94) 02/15/2023   02:36:12  ( -70.12, -43.37)   19.29                73
 02/17/2023   13:50:02   ( -70.57, 148.09) 02/17/2023   13:51:13  ( -70.52, 148.39)   12.80                71
 02/17/2023   14:40:44   (  70.36, -44.26) 02/17/2023   14:40:37  (  70.35, -44.19)    2.63                 7
 02/17/2023   15:31:20   ( -69.95, 123.69) 02/17/2023   15:30:08  ( -69.98, 122.94)   28.88                72
 02/20/2023   02:43:55   ( -70.44, -45.19) 02/20/2023   02:45:06  ( -70.43, -45.22)    1.53                71
 02/20/2023   03:34:39   (  70.33, 122.29) 02/20/2023   03:34:29  (  70.31, 122.26)    2.42                10
 02/20/2023   04:25:13   ( -69.82, -69.61) 02/20/2023   04:24:02  ( -69.84, -70.75)   43.90                71
 02/22/2023   15:37:52   ( -70.47, 121.27) 02/22/2023   15:38:57  ( -70.46, 121.32)    2.68                65
 02/22/2023   16:28:35   (  70.31, -71.17) 02/22/2023   16:28:20  (  70.33, -71.20)    2.00                15
 02/22/2023   17:19:06   ( -69.63,  97.17) 02/22/2023   17:17:57  ( -69.64,  95.50)   64.78                69
 02/25/2023   04:31:48   ( -70.45, -72.19) 02/25/2023   04:32:48  ( -70.42, -72.21)    3.12                60
 02/25/2023   05:22:32   (  70.35,  95.28) 02/25/2023   05:22:10  (  70.35,  95.34)    2.43                22