Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 4 8.  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)
 04/09/2023   06:06:19   ( -70.53, -96.05) 04/09/2023   06:07:15  ( -70.55, -96.09)    2.87                56
 04/09/2023   06:57:03   (  70.41,  71.44) 04/09/2023   06:56:38  (  70.44,  71.42)    3.39                25
 04/11/2023   19:00:11   ( -70.57,  70.42) 04/11/2023   19:00:51  ( -70.55,  70.49)    3.07                40
 04/11/2023   19:50:54   (  70.40,-122.01) 04/11/2023   19:50:15  (  70.39,-122.08)    3.00                39
 04/14/2023   07:54:00   ( -70.51,-122.96) 04/14/2023   07:54:26  ( -70.52,-122.98)    1.32                26
 04/14/2023   08:44:44   (  70.40,  44.52) 04/14/2023   08:43:49  (  70.41,  44.53)    1.32                55
 04/16/2023   19:57:19   (  71.13,-124.77) 04/16/2023   19:58:28  (  71.02,-123.29)   54.57                69
 04/16/2023   20:47:51   ( -70.52,  43.57) 04/16/2023   20:48:01  ( -70.51,  43.59)    0.94                10
 04/16/2023   21:38:35   (  70.41,-148.96) 04/16/2023   21:37:24  (  70.41,-148.90)    2.07                71
 04/19/2023   08:50:59   (  70.57,  42.69) 04/19/2023   08:52:10  (  70.60,  42.65)    3.19                71
 04/19/2023   09:41:41   ( -70.48,-149.84) 04/19/2023   09:41:36  ( -70.47,-149.89)    2.41                 5
 04/19/2023   10:32:16   (  69.90,  18.36) 04/19/2023   10:31:06  (  69.98,  17.07)   50.01                70
 04/21/2023   21:44:50   (  70.60,-150.81) 04/21/2023   21:45:44  (  70.58,-150.80)    2.39                54
 04/21/2023   22:35:31   ( -70.45,  16.74) 04/21/2023   22:35:10  ( -70.45,  16.66)    3.02                21