Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 10 16.  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)
 10/17/2025   10:35:04   (  74.69,   8.58) 10/17/2025   10:36:16  (  74.58,   9.29)   24.42                72
 10/17/2025   11:25:42   ( -74.43, 176.59) 10/17/2025   11:25:39  ( -74.42, 176.58)    1.42                 3
 10/17/2025   12:16:15   (  73.77, -14.45) 10/17/2025   12:15:09  (  73.79, -17.14)   83.48                66
 10/19/2025   20:56:35   ( -74.48,  33.76) 10/19/2025   20:57:43  ( -74.49,  33.68)    2.94                68
 10/19/2025   21:47:20   (  74.41,-158.76) 10/19/2025   21:47:02  (  74.44,-158.76)    3.78                18
 10/22/2025   07:18:14   (  74.52,  58.25) 10/22/2025   07:19:06  (  74.49,  58.29)    2.68                52
 10/22/2025   08:08:55   ( -74.44,-134.24) 10/22/2025   08:08:26  ( -74.43,-134.19)    1.88                29
 10/24/2025   17:39:48   ( -74.50,  82.89) 10/24/2025   17:40:29  ( -74.50,  82.90)    0.31                41
 10/24/2025   18:30:33   (  74.44,-109.65) 10/24/2025   18:29:48  (  74.45,-109.53)    3.60                45
 10/27/2025   04:01:26   (  74.51, 107.45) 10/27/2025   04:01:51  (  74.50, 107.50)    2.37                25
 10/27/2025   04:52:08   ( -74.43, -85.01) 10/27/2025   04:51:12  ( -74.43, -84.99)    0.80                56
 10/29/2025   14:23:01   ( -74.50, 132.08) 10/29/2025   14:23:14  ( -74.49, 132.08)    1.76                13