Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 9 30.  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)
 09/30/2025   10:54:22   (  74.43,   4.43) 09/30/2025   10:55:32  (  74.40,   4.45)    2.71                70
 09/30/2025   11:45:04   ( -74.35, 171.94) 09/30/2025   11:44:54  ( -74.33, 171.95)    2.05                10
 10/02/2025   21:15:59   ( -74.44,  29.00) 10/02/2025   21:17:02  ( -74.44,  29.11)    3.45                63
 10/02/2025   22:06:43   (  74.33,-163.41) 10/02/2025   22:06:21  (  74.36,-163.41)    3.18                22
 10/05/2025   07:37:38   (  74.43,  53.62) 10/05/2025   07:38:29  (  74.43,  53.67)    1.59                51
 10/05/2025   08:28:20   ( -74.35,-138.87) 10/05/2025   08:27:51  ( -74.36,-138.83)    1.25                29
 10/07/2025   17:59:13   ( -74.41,  78.26) 10/07/2025   17:59:58  ( -74.39,  78.16)    3.64                45
 10/07/2025   18:49:58   (  74.35,-114.27) 10/07/2025   18:49:16  (  74.36,-114.23)    1.91                42
 10/10/2025   04:20:52   (  74.42, 102.84) 10/10/2025   04:21:23  (  74.41, 102.81)    0.94                31
 10/10/2025   05:11:34   ( -74.34, -89.65) 10/10/2025   05:10:45  ( -74.34, -89.71)    1.96                49
 10/12/2025   14:42:28   ( -74.42, 127.44) 10/12/2025   14:42:51  ( -74.40, 127.36)    2.89                23