Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 10.  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)
 07/11/2023   16:21:11   (  70.80, -70.35) 07/11/2023   16:21:51  (  70.82, -70.33)    2.15                40
 07/11/2023   17:11:53   ( -70.71,  97.12) 07/11/2023   17:11:17  ( -70.71,  97.16)    1.39                36
 07/14/2023   04:24:29   ( -71.35, -72.06) 07/14/2023   04:25:39  ( -71.26, -70.66)   50.71                70
 07/14/2023   05:15:04   (  70.78,  96.22) 07/14/2023   05:15:08  (  70.78,  96.26)    1.79                 4
 07/14/2023   06:05:46   ( -70.68, -96.30) 07/14/2023   06:04:34  ( -70.67, -96.25)    2.20                72
 07/16/2023   17:18:12   ( -70.80,  95.39) 07/16/2023   17:19:03  ( -70.82,  95.31)    3.21                51
 07/16/2023   18:08:56   (  70.71, -97.14) 07/16/2023   18:08:25  (  70.72, -97.17)    1.85                31
 07/19/2023   05:21:35   (  71.52,  93.37) 07/19/2023   05:22:43  (  71.45,  95.30)   68.65                68
 07/19/2023   06:12:05   ( -70.79, -98.06) 07/19/2023   06:12:19  ( -70.79, -98.07)    0.77                14
 07/19/2023   07:02:49   (  70.69,  69.41) 07/19/2023   07:01:41  (  70.69,  69.45)    1.56                68
 07/21/2023   18:15:15   (  70.83, -98.92) 07/21/2023   18:16:09  (  70.85, -98.96)    2.88                54
 07/21/2023   19:05:57   ( -70.72,  68.57) 07/21/2023   19:05:35  ( -70.75,  68.52)    3.11                22