Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 10 6.  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)
 10/07/2025   17:59:14   ( -74.44,  78.18) 10/07/2025   17:59:56  ( -74.45,  78.29)    3.38                42
 10/07/2025   18:49:58   (  74.33,-114.21) 10/07/2025   18:49:16  (  74.32,-114.33)    3.46                42
 10/10/2025   04:20:51   (  74.40, 102.88) 10/10/2025   04:21:21  (  74.40, 102.79)    2.99                30
 10/10/2025   05:11:34   ( -74.38, -89.74) 10/10/2025   05:10:42  ( -74.37, -89.63)    3.48                52
 10/12/2025   14:42:27   ( -74.41, 127.47) 10/12/2025   14:42:48  ( -74.42, 127.41)    2.41                21
 10/12/2025   15:33:12   (  74.34, -65.06) 10/12/2025   15:32:07  (  74.35, -65.08)    1.11                65
 10/15/2025   01:04:06   (  74.43, 152.00) 10/15/2025   01:04:12  (  74.42, 152.01)    0.86                 6
 10/15/2025   01:54:47   ( -74.31, -40.36) 10/15/2025   01:53:34  ( -74.33, -40.54)    5.83                73
 10/17/2025   10:35:03   (  74.67,   8.64) 10/17/2025   10:36:15  (  74.57,   9.27)   21.89                72
 10/17/2025   11:25:42   ( -74.45, 176.55) 10/17/2025   11:25:38  ( -74.42, 176.59)    3.39                 4
 10/17/2025   12:16:14   (  73.75, -14.39) 10/17/2025   12:15:08  (  73.78, -17.15)   85.82                66
 10/19/2025   20:56:35   ( -74.50,  33.70) 10/19/2025   20:57:42  ( -74.47,  33.65)    2.99                67
 10/19/2025   21:47:20   (  74.44,-158.84) 10/19/2025   21:47:01  (  74.41,-158.82)    3.36                19