Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 22.  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)
 08/23/2023   12:51:35   (  71.80, -19.65) 08/23/2023   12:52:41  (  71.70, -17.18)   86.71                66
 08/23/2023   13:42:02   ( -70.93, 149.19) 08/23/2023   13:42:18  ( -70.93, 149.24)    1.94                16
 08/23/2023   14:32:46   (  70.81, -43.31) 08/23/2023   14:31:42  (  70.79, -43.31)    2.60                64
 08/26/2023   01:45:16   (  70.97, 148.32) 08/26/2023   01:46:11  (  70.99, 148.33)    2.56                55
 08/26/2023   02:35:58   ( -70.88, -44.22) 08/26/2023   02:35:36  ( -70.87, -44.20)    0.97                22
 08/28/2023   13:48:45   ( -71.91, 145.84) 08/28/2023   13:49:51  ( -71.80, 148.64)   97.55                66
 08/28/2023   14:39:12   (  70.92, -45.10) 08/28/2023   14:39:29  (  70.90, -45.15)    2.72                17
 08/28/2023   15:29:54   ( -70.83, 122.37) 08/28/2023   15:28:53  ( -70.84, 122.42)    2.09                61
 08/31/2023   02:42:24   ( -70.99, -46.02) 08/31/2023   02:43:22  ( -70.99, -46.02)    0.43                58
 08/31/2023   03:33:08   (  70.88, 121.48) 08/31/2023   03:32:45  (  70.90, 121.50)    1.98                23
 09/02/2023   14:45:54   (  71.89, -48.41) 09/02/2023   14:47:00  (  71.78, -45.74)   93.11                66
 09/02/2023   15:36:20   ( -70.96, 120.55) 09/02/2023   15:36:38  ( -70.96, 120.60)    1.91                18
 09/02/2023   16:27:04   (  70.85, -71.96) 09/02/2023   16:26:01  (  70.87, -71.89)    3.17                63