Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 4 29.  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)
 04/30/2025   06:07:59   ( -73.70,-102.19) 04/30/2025   06:08:58  ( -73.70,-102.28)    2.99                59
 04/30/2025   06:58:44   (  73.67,  65.20) 04/30/2025   06:58:17  (  73.65,  65.29)    3.21                27
 05/02/2025   16:29:44   (  73.72, -77.68) 05/02/2025   16:30:49  (  73.74, -77.70)    2.46                65
 05/02/2025   17:20:27   ( -73.66,  89.79) 05/02/2025   17:20:11  ( -73.68,  89.83)    2.92                16
 05/05/2025   02:51:29   ( -73.87, -53.46) 05/05/2025   02:52:41  ( -73.80, -53.11)   13.59                72
 05/05/2025   03:42:11   (  73.69, 114.28) 05/05/2025   03:42:01  (  73.68, 114.31)    1.67                10
 05/05/2025   04:32:41   ( -72.97, -76.81) 05/05/2025   04:31:34  ( -73.04, -79.30)   81.56                67
 05/07/2025   13:13:18   (  74.11, -29.49) 05/07/2025   13:14:28  (  73.96, -28.26)   40.78                70
 05/07/2025   14:03:54   ( -73.70, 138.83) 05/07/2025   14:03:54  ( -73.70, 138.85)    1.03                 0
 05/07/2025   14:54:29   (  73.16, -52.65) 05/07/2025   14:53:20  (  73.26, -54.39)   56.73                69
 05/09/2025   23:35:08   ( -74.47,  -5.83) 05/09/2025   23:36:14  ( -74.33,  -2.97)   87.07                66
 05/10/2025   00:25:38   (  73.70, 163.39) 05/10/2025   00:25:43  (  73.72, 163.38)    2.68                 5
 05/10/2025   01:16:20   ( -73.58, -29.03) 05/10/2025   01:15:06  ( -73.63, -29.15)    6.30                74
 05/12/2025   10:47:21   ( -73.73,-172.10) 05/12/2025   10:47:35  ( -73.75,-172.08)    2.36                14