Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 4 12.  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)
 04/14/2023   07:54:00   ( -70.51,-122.95) 04/14/2023   07:54:26  ( -70.52,-122.98)    2.07                26
 04/14/2023   08:44:44   (  70.39,  44.54) 04/14/2023   08:43:49  (  70.42,  44.54)    3.39                55
 04/16/2023   19:57:19   (  71.12,-124.75) 04/16/2023   19:58:28  (  71.04,-123.28)   54.14                69
 04/16/2023   20:47:51   ( -70.51,  43.58) 04/16/2023   20:48:01  ( -70.52,  43.59)    0.89                10
 04/16/2023   21:38:35   (  70.40,-148.94) 04/16/2023   21:37:24  (  70.42,-148.89)    2.74                71
 04/19/2023   08:51:00   (  70.62,  42.62) 04/19/2023   08:52:10  (  70.62,  42.67)    1.85                70
 04/19/2023   09:41:41   ( -70.47,-149.83) 04/19/2023   09:41:36  ( -70.48,-149.88)    1.87                 5
 04/19/2023   10:32:16   (  69.89,  18.38) 04/19/2023   10:31:06  (  70.00,  17.10)   50.26                70
 04/21/2023   21:44:50   (  70.59,-150.80) 04/21/2023   21:45:44  (  70.61,-150.76)    2.29                54
 04/21/2023   22:35:32   ( -70.50,  16.67) 04/21/2023   22:35:10  ( -70.47,  16.69)    3.31                22
 04/24/2023   10:38:40   (  70.57,  15.76) 04/24/2023   10:39:18  (  70.57,  15.77)    0.99                38
 04/24/2023   11:29:22   ( -70.48,-176.77) 04/24/2023   11:28:43  ( -70.48,-176.70)    2.45                39