Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 4 13.  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)
 04/13/2025   04:45:38   ( -73.61, -81.39) 04/13/2025   04:46:09  ( -73.61, -81.43)    1.39                31
 04/13/2025   05:36:22   (  73.55,  86.07) 04/13/2025   05:35:29  (  73.55,  86.12)    1.70                53
 04/15/2025   15:07:16   (  73.67, -56.92) 04/15/2025   15:08:06  (  73.63, -56.91)    3.47                50
 04/15/2025   15:57:59   ( -73.59, 110.57) 04/15/2025   15:57:27  ( -73.59, 110.65)    2.66                32
 04/18/2025   01:28:52   ( -73.67, -32.33) 04/18/2025   01:30:03  ( -73.69, -32.34)    2.36                71
 04/18/2025   02:19:36   (  73.61, 135.12) 04/18/2025   02:19:23  (  73.61, 135.18)    1.94                13
 04/20/2025   11:50:42   (  74.34,  -9.39) 04/20/2025   11:51:48  (  74.24,  -6.66)   82.89                66
 04/20/2025   12:41:12   ( -73.62, 159.70) 04/20/2025   12:41:20  ( -73.63, 159.68)    1.66                 8
 04/20/2025   13:31:54   (  73.46, -32.63) 04/20/2025   13:30:41  (  73.50, -32.93)   10.12                73
 04/22/2025   23:02:49   (  73.66,-175.81) 04/22/2025   23:03:14  (  73.66,-175.78)    0.99                25
 04/22/2025   23:53:32   ( -73.58,  -8.30) 04/22/2025   23:52:36  ( -73.59,  -8.27)    1.19                56
 04/25/2025   09:24:25   ( -73.69,-151.27) 04/25/2025   09:25:10  ( -73.67,-151.30)    2.75                45
 04/25/2025   10:15:08   (  73.59,  16.28) 04/25/2025   10:14:29  (  73.62,  16.27)    3.39                39