Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 20.  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)
 08/21/2023   00:48:06   ( -70.96, -17.37) 08/21/2023   00:49:01  ( -70.93, -17.40)    2.94                55
 08/21/2023   01:38:50   (  70.84, 150.13) 08/21/2023   01:38:24  (  70.85, 150.13)    0.94                26
 08/23/2023   12:51:35   (  71.77, -19.60) 08/23/2023   12:52:42  (  71.67, -17.23)   83.48                67
 08/23/2023   13:42:02   ( -70.90, 149.24) 08/23/2023   13:42:19  ( -70.90, 149.20)    1.35                17
 08/23/2023   14:32:47   (  70.83, -43.35) 08/23/2023   14:31:42  (  70.82, -43.27)    3.52                65
 08/26/2023   01:45:17   (  70.99, 148.28) 08/26/2023   01:46:12  (  70.96, 148.29)    3.14                55
 08/26/2023   02:35:58   ( -70.84, -44.16) 08/26/2023   02:35:37  ( -70.85, -44.23)    2.44                21
 08/28/2023   14:39:12   (  70.94, -45.14) 08/28/2023   14:39:28  (  70.93, -45.11)    2.16                16
 08/28/2023   15:29:53   ( -70.80, 122.42) 08/28/2023   15:28:53  ( -70.81, 122.38)    2.41                60
 08/31/2023   02:42:24   ( -71.02, -46.06) 08/31/2023   02:43:21  ( -71.02, -45.97)    2.98                57
 08/31/2023   03:33:07   (  70.85, 121.52) 08/31/2023   03:32:45  (  70.87, 121.46)    2.73                22
 09/02/2023   14:45:54   (  71.91, -48.45) 09/02/2023   14:46:59  (  71.80, -45.71)   95.91                65
 09/02/2023   15:36:19   ( -70.93, 120.60) 09/02/2023   15:36:38  ( -70.93, 120.55)    1.55                19
 09/02/2023   16:27:03   (  70.82, -71.92) 09/02/2023   16:26:01  (  70.83, -71.94)    1.08                62