Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 1.  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)
 09/02/2023   14:45:55   (  71.94, -48.50) 09/02/2023   14:47:00  (  71.81, -45.70)   98.05                65
 09/02/2023   15:36:19   ( -70.92, 120.62) 09/02/2023   15:36:39  ( -70.93, 120.54)    2.83                20
 09/02/2023   16:27:04   (  70.85, -71.96) 09/02/2023   16:26:02  (  70.84, -71.93)    1.51                62
 09/05/2023   03:39:34   (  71.03, 119.63) 09/05/2023   03:40:30  (  71.01, 119.67)    2.77                56
 09/05/2023   04:30:15   ( -70.89, -72.82) 09/05/2023   04:29:55  ( -70.89, -72.86)    1.25                20
 09/07/2023   15:43:02   ( -71.95, 117.19) 09/07/2023   15:44:08  ( -71.85, 120.03)   98.59                66
 09/07/2023   16:33:29   (  70.96, -73.74) 09/07/2023   16:33:46  (  70.94, -73.77)    1.94                17
 09/07/2023   17:24:10   ( -70.87,  93.73) 09/07/2023   17:23:09  ( -70.89,  93.80)    3.07                61
 09/10/2023   04:36:39   ( -71.00, -74.61) 09/10/2023   04:37:37  ( -71.01, -74.67)    2.25                58
 09/10/2023   05:27:23   (  70.89,  92.89) 09/10/2023   05:27:00  (  70.91,  92.84)    2.94                23
 09/12/2023   16:40:08   (  71.86, -76.93) 09/12/2023   16:41:14  (  71.77, -74.44)   87.17                66
 09/12/2023   17:30:35   ( -70.99,  91.92) 09/12/2023   17:30:51  ( -71.01,  92.00)    3.58                16
 09/12/2023   18:21:19   (  70.88,-100.58) 09/12/2023   18:20:15  (  70.85,-100.59)    3.26                64