Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 4 5.  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)
 04/05/2025   20:50:03   ( -73.61,  37.52) 04/05/2025   20:50:51  ( -73.60,  37.53)    0.86                48
 04/05/2025   21:40:46   (  73.49,-154.90) 04/05/2025   21:40:12  (  73.51,-155.00)    3.50                34
 04/08/2025   07:11:41   (  73.63,  62.06) 04/08/2025   07:12:51  (  73.62,  62.01)    2.41                70
 04/08/2025   08:02:24   ( -73.56,-130.45) 04/08/2025   08:02:12  ( -73.56,-130.45)    0.15                12
 04/10/2025   17:33:33   ( -74.39,  84.79) 04/10/2025   17:34:38  ( -74.31,  87.97)   95.64                65
 04/10/2025   18:24:02   (  73.59,-105.94) 04/10/2025   18:24:11  (  73.57,-105.97)    2.97                 9
 04/10/2025   19:14:45   ( -73.51,  61.56) 04/10/2025   19:13:32  ( -73.52,  61.59)    1.20                73
 04/13/2025   04:45:39   ( -73.62, -81.41) 04/13/2025   04:46:09  ( -73.64, -81.35)    3.12                30
 04/13/2025   05:36:22   (  73.52,  86.14) 04/13/2025   05:35:30  (  73.52,  86.07)    2.43                52
 04/15/2025   15:07:16   (  73.64, -56.86) 04/15/2025   15:08:06  (  73.65, -56.87)    1.44                50
 04/15/2025   15:57:58   ( -73.55, 110.65) 04/15/2025   15:57:27  ( -73.56, 110.61)    1.69                31
 04/18/2025   01:28:52   ( -73.68, -32.37) 04/18/2025   01:30:02  ( -73.70, -32.30)    2.71                70
 04/18/2025   02:19:35   (  73.58, 135.18) 04/18/2025   02:19:22  (  73.62, 135.19)    3.65                13