Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 4 7.  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)
 04/08/2025   07:11:41   (  73.66,  62.00) 04/08/2025   07:12:50  (  73.65,  62.07)    2.32                69
 04/08/2025   08:02:23   ( -73.53,-130.39) 04/08/2025   08:02:12  ( -73.53,-130.50)    3.37                11
 04/10/2025   17:33:33   ( -74.41,  84.73) 04/10/2025   17:34:38  ( -74.28,  87.91)   96.48                65
 04/10/2025   18:24:02   (  73.62,-106.00) 04/10/2025   18:24:10  (  73.60,-105.90)    3.52                 8
 04/10/2025   19:14:44   ( -73.49,  61.61) 04/10/2025   19:13:32  ( -73.49,  61.54)    2.28                72
 04/13/2025   04:45:38   ( -73.60, -81.35) 04/13/2025   04:46:09  ( -73.62, -81.40)    3.03                31
 04/13/2025   05:36:22   (  73.54,  86.09) 04/13/2025   05:35:29  (  73.55,  86.13)    2.22                53
 04/15/2025   15:07:16   (  73.66, -56.91) 04/15/2025   15:08:06  (  73.63, -56.92)    3.46                50
 04/15/2025   15:57:59   ( -73.58, 110.60) 04/15/2025   15:57:27  ( -73.59, 110.66)    2.37                32
 04/18/2025   01:28:52   ( -73.66, -32.30) 04/18/2025   01:30:03  ( -73.68, -32.35)    2.65                71
 04/18/2025   02:19:36   (  73.61, 135.13) 04/18/2025   02:19:23  (  73.60, 135.15)    1.29                13
 04/20/2025   11:50:42   (  74.34,  -9.38) 04/20/2025   11:51:48  (  74.21,  -6.73)   81.38                66
 04/20/2025   12:41:12   ( -73.61, 159.71) 04/20/2025   12:41:20  ( -73.60, 159.63)    2.80                 8