Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 5 20.  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)
 05/22/2025   04:14:15   ( -73.81, -74.02) 05/22/2025   04:14:54  ( -73.82, -73.95)    2.90                39
 05/22/2025   05:05:00   (  73.75,  93.43) 05/22/2025   05:04:13  (  73.74,  93.54)    3.64                47
 05/24/2025   14:35:58   (  73.80, -49.44) 05/24/2025   14:36:40  (  73.83, -49.43)    3.18                42
 05/24/2025   15:26:40   ( -73.72, 118.08) 05/24/2025   15:26:03  ( -73.74, 118.05)    3.13                37
 05/27/2025   00:57:40   ( -73.83, -24.92) 05/27/2025   00:58:31  ( -73.82, -24.96)    1.30                51
 05/27/2025   01:48:25   (  73.76, 142.54) 05/27/2025   01:47:49  (  73.78, 142.63)    3.32                36
 05/29/2025   11:19:24   (  73.83,  -0.36) 05/29/2025   11:20:17  (  73.83,  -0.42)    1.97                53
 05/29/2025   12:10:06   ( -73.74, 167.16) 05/29/2025   12:09:40  ( -73.75, 167.07)    3.12                26
 05/31/2025   21:41:06   ( -73.86,  24.14) 05/31/2025   21:42:07  ( -73.84,  24.10)    2.28                61
 05/31/2025   22:31:51   (  73.80,-168.41) 05/31/2025   22:31:25  (  73.80,-168.32)    2.57                26