Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 4 14.  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)
 04/15/2025   15:07:16   (  73.64, -56.88) 04/15/2025   15:08:06  (  73.66, -56.86)    1.45                50
 04/15/2025   15:57:59   ( -73.57, 110.61) 04/15/2025   15:57:28  ( -73.55, 110.59)    1.84                31
 04/18/2025   01:28:53   ( -73.70, -32.40) 04/18/2025   01:30:03  ( -73.71, -32.29)    3.63                70
 04/18/2025   02:19:36   (  73.59, 135.17) 04/18/2025   02:19:24  (  73.58, 135.12)    1.72                12
 04/20/2025   11:50:43   (  74.36,  -9.45) 04/20/2025   11:51:49  (  74.22,  -6.72)   83.88                66
 04/20/2025   12:41:13   ( -73.64, 159.63) 04/20/2025   12:41:20  ( -73.66, 159.73)    3.31                 7
 04/20/2025   13:31:54   (  73.44, -32.57) 04/20/2025   13:30:41  (  73.52, -32.88)   13.35                73
 04/22/2025   23:02:48   (  73.64,-175.74) 04/22/2025   23:03:14  (  73.64,-175.83)    2.77                26
 04/22/2025   23:53:31   ( -73.55,  -8.24) 04/22/2025   23:52:36  ( -73.56,  -8.33)    2.75                55
 04/25/2025   09:24:25   ( -73.71,-151.32) 04/25/2025   09:25:09  ( -73.69,-151.24)    3.14                44
 04/25/2025   10:15:08   (  73.61,  16.24) 04/25/2025   10:14:29  (  73.59,  16.22)    1.65                39
 04/27/2025   19:46:01   (  73.72,-126.75) 04/27/2025   19:47:01  (  73.73,-126.68)    2.23                60
 04/27/2025   20:36:44   ( -73.64,  40.75) 04/27/2025   20:36:24  ( -73.62,  40.74)    3.01                20