Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 27.  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)
 06/29/2023   01:33:13   (  70.79, 151.67) 06/29/2023   01:34:10  (  70.81, 151.71)    2.33                57
 06/29/2023   02:23:55   ( -70.70, -40.85) 06/29/2023   02:23:36  ( -70.71, -40.80)    2.19                19
 07/01/2023   14:27:06   (  70.74, -41.72) 07/01/2023   14:27:29  (  70.76, -41.72)    1.86                23
 07/01/2023   15:17:48   ( -70.65, 125.76) 07/01/2023   15:16:55  ( -70.66, 125.78)    1.82                53
 07/04/2023   02:30:16   ( -70.85, -42.69) 07/04/2023   02:31:25  ( -70.84, -42.61)    3.06                69
 07/04/2023   03:20:59   (  70.70, 124.87) 07/04/2023   03:20:48  (  70.68, 124.81)    3.03                11
 07/04/2023   04:11:32   ( -70.13, -66.90) 07/04/2023   04:10:22  ( -70.15, -68.31)   53.26                70
 07/06/2023   15:24:08   ( -70.82, 123.90) 07/06/2023   15:24:42  ( -70.79, 123.97)    3.42                34
 07/06/2023   16:14:51   (  70.67, -68.55) 07/06/2023   16:14:04  (  70.69, -68.53)    2.19                47
 07/09/2023   03:27:21   (  71.00, 122.80) 07/09/2023   03:28:32  (  70.92, 123.17)   15.71                71
 07/09/2023   04:18:00   ( -70.73, -69.44) 07/09/2023   04:18:00  ( -70.72, -69.49)    2.47                 0
 07/09/2023   05:08:38   (  70.32,  98.52) 07/09/2023   05:07:26  (  70.39,  97.69)   32.04                72