Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 30.  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)
 08/31/2023   02:42:23   ( -70.97, -45.97) 08/31/2023   02:43:22  ( -70.98, -46.03)    2.78                59
 08/31/2023   03:33:08   (  70.90, 121.45) 08/31/2023   03:32:45  (  70.90, 121.50)    1.96                23
 09/02/2023   14:45:54   (  71.90, -48.43) 09/02/2023   14:47:00  (  71.80, -45.72)   94.56                66
 09/02/2023   15:36:19   ( -70.93, 120.60) 09/02/2023   15:36:39  ( -70.92, 120.52)    3.23                20
 09/02/2023   16:27:03   (  70.81, -71.89) 09/02/2023   16:26:02  (  70.83, -71.95)    2.78                61
 09/05/2023   03:39:33   (  70.99, 119.69) 09/05/2023   03:40:30  (  71.00, 119.65)    1.77                57
 09/05/2023   04:30:15   ( -70.90, -72.84) 09/05/2023   04:29:55  ( -70.88, -72.87)    2.69                20
 09/07/2023   16:33:29   (  70.97, -73.76) 09/07/2023   16:33:45  (  70.99, -73.71)    2.66                16
 09/07/2023   17:24:11   ( -70.88,  93.71) 09/07/2023   17:23:10  ( -70.88,  93.78)    2.56                61
 09/10/2023   04:36:40   ( -71.01, -74.63) 09/10/2023   04:37:38  ( -71.00, -74.68)    2.46                58
 09/10/2023   05:27:24   (  70.90,  92.87) 09/10/2023   05:27:01  (  70.90,  92.82)    1.75                23
 09/12/2023   16:40:08   (  71.88, -76.96) 09/12/2023   16:41:14  (  71.76, -74.46)   87.82                66
 09/12/2023   17:30:35   ( -71.00,  91.91) 09/12/2023   17:30:51  ( -71.00,  91.99)    2.99                16
 09/12/2023   18:21:18   (  70.84,-100.52) 09/12/2023   18:20:15  (  70.84,-100.60)    3.08                63