Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 5 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)
 05/19/2025   17:52:33   (  73.80, -98.59) 05/19/2025   17:53:03  (  73.79, -98.51)    2.99                30
 05/19/2025   18:43:15   ( -73.72,  68.94) 05/19/2025   18:42:26  ( -73.69,  68.95)    2.49                49
 05/22/2025   04:14:15   ( -73.82, -74.04) 05/22/2025   04:14:54  ( -73.80, -74.00)    2.59                39
 05/22/2025   05:04:59   (  73.71,  93.52) 05/22/2025   05:04:13  (  73.71,  93.49)    1.14                46
 05/24/2025   14:35:59   (  73.82, -49.47) 05/24/2025   14:36:40  (  73.84, -49.41)    3.02                41
 05/24/2025   15:26:41   ( -73.73, 118.05) 05/24/2025   15:26:03  ( -73.75, 118.07)    2.58                38
 05/27/2025   00:57:41   ( -73.84, -24.96) 05/27/2025   00:58:30  ( -73.86, -24.87)    3.33                49
 05/27/2025   01:48:25   (  73.73, 142.61) 05/27/2025   01:47:49  (  73.76, 142.60)    3.31                36
 05/29/2025   11:19:24   (  73.85,  -0.41) 05/29/2025   11:20:15  (  73.84,  -0.40)    0.89                51
 05/29/2025   12:10:06   ( -73.76, 167.12) 05/29/2025   12:09:38  ( -73.76, 167.09)    0.73                28
 05/31/2025   21:41:06   ( -73.88,  24.08) 05/31/2025   21:42:04  ( -73.87,  24.16)    2.93                58
 05/31/2025   22:31:50   (  73.78,-168.35) 05/31/2025   22:31:23  (  73.77,-168.37)    1.08                27