Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 28.  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)
 08/28/2023   14:39:12   (  70.93, -45.12) 08/28/2023   14:39:28  (  70.96, -45.07)    3.11                16
 08/28/2023   15:29:54   ( -70.85, 122.34) 08/28/2023   15:28:53  ( -70.83, 122.40)    2.83                61
 08/31/2023   02:42:24   ( -71.01, -46.05) 08/31/2023   02:43:22  ( -70.99, -46.02)    2.55                58
 08/31/2023   03:33:08   (  70.89, 121.46) 08/31/2023   03:32:45  (  70.91, 121.51)    2.45                23
 09/02/2023   14:45:54   (  71.89, -48.42) 09/02/2023   14:47:00  (  71.80, -45.71)   94.35                66
 09/02/2023   15:36:19   ( -70.92, 120.61) 09/02/2023   15:36:39  ( -70.92, 120.53)    2.79                20
 09/02/2023   16:27:04   (  70.86, -71.97) 09/02/2023   16:26:02  (  70.83, -71.94)    3.04                62
 09/05/2023   03:39:33   (  70.98, 119.70) 09/05/2023   03:40:30  (  71.00, 119.65)    2.38                57
 09/05/2023   04:30:15   ( -70.89, -72.83) 09/05/2023   04:29:55  ( -70.89, -72.86)    1.66                20
 09/07/2023   15:43:02   ( -71.95, 117.19) 09/07/2023   15:44:08  ( -71.84, 120.02)   98.52                66
 09/07/2023   16:33:29   (  70.96, -73.75) 09/07/2023   16:33:45  (  70.99, -73.70)    3.07                16
 09/07/2023   17:24:11   ( -70.87,  93.72) 09/07/2023   17:23:10  ( -70.88,  93.79)    2.43                61
 09/10/2023   04:36:39   ( -71.00, -74.61) 09/10/2023   04:37:37  ( -71.00, -74.68)    2.46                58
 09/10/2023   05:27:23   (  70.89,  92.88) 09/10/2023   05:27:00  (  70.90,  92.82)    2.16                23