Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 4 17.  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)
 04/19/2023   08:50:59   (  70.57,  42.69) 04/19/2023   08:52:10  (  70.57,  42.61)    3.09                71
 04/19/2023   09:41:41   ( -70.49,-149.85) 04/19/2023   09:41:35  ( -70.49,-149.87)    0.59                 6
 04/19/2023   10:32:16   (  69.90,  18.37) 04/19/2023   10:31:06  (  69.95,  17.04)   51.07                70
 04/21/2023   21:44:49   (  70.56,-150.74) 04/21/2023   21:45:43  (  70.57,-150.80)    2.97                54
 04/21/2023   22:35:31   ( -70.47,  16.71) 04/21/2023   22:35:08  ( -70.48,  16.72)    1.74                23
 04/24/2023   10:38:39   (  70.55,  15.80) 04/24/2023   10:39:15  (  70.58,  15.80)    3.45                36
 04/24/2023   11:29:21   ( -70.46,-176.74) 04/24/2023   11:28:41  ( -70.44,-176.76)    2.77                40
 04/26/2023   23:32:28   (  70.56,-177.68) 04/26/2023   23:32:46  (  70.55,-177.66)    1.66                18
 04/27/2023   00:23:10   ( -70.47, -10.21) 04/27/2023   00:22:11  ( -70.46, -10.14)    3.08                59
 04/29/2023   11:35:39   ( -70.94,-179.07) 04/29/2023   11:36:50  ( -70.83,-178.29)   30.91                71
 04/29/2023   12:26:17   (  70.53, -11.08) 04/29/2023   12:26:17  (  70.52, -11.10)    1.02                 0
 04/29/2023   13:16:56   ( -70.28, 156.63) 04/29/2023   13:15:44  ( -70.32, 156.27)   14.49                72