Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 6 18.  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)
 06/20/2025   08:34:57   ( -74.57,-141.08) 06/20/2025   08:36:03  ( -74.49,-138.38)   80.51                66
 06/20/2025   09:25:30   (  73.92,  27.91) 06/20/2025   09:25:32  (  73.92,  28.01)    3.11                 2
 06/20/2025   10:16:09   ( -73.70,-164.25) 06/20/2025   10:14:56  ( -73.73,-164.72)   15.35                73
 06/22/2025   18:56:40   (  74.56,-116.47) 06/22/2025   18:57:47  (  74.47,-113.91)   76.77                67
 06/22/2025   19:47:10   ( -73.90,  52.54) 06/22/2025   19:47:18  ( -73.92,  52.52)    2.35                 8
 06/22/2025   20:37:52   (  73.68,-139.64) 06/22/2025   20:36:40  (  73.71,-140.25)   19.52                72
 06/25/2025   06:08:54   (  73.94,  77.01) 06/25/2025   06:09:01  (  73.93,  77.07)    2.06                 7
 06/25/2025   06:59:36   ( -73.86,-115.48) 06/25/2025   06:58:23  ( -73.85,-115.45)    1.41                73
 06/27/2025   16:30:35   ( -73.96, 101.52) 06/27/2025   16:30:46  ( -73.95, 101.62)    3.49                11
 06/27/2025   17:21:19   (  73.86, -90.91) 06/27/2025   17:20:06  (  73.85, -90.92)    0.81                73
 06/30/2025   02:52:17   (  73.92, 126.19) 06/30/2025   02:52:29  (  73.94, 126.12)    2.72                12