Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 5 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)
 05/17/2025   07:30:48   ( -73.77,-123.07) 05/17/2025   07:31:16  ( -73.74,-123.11)    2.88                28
 05/17/2025   08:21:32   (  73.66,  44.49) 05/17/2025   08:20:35  (  73.66,  44.40)    3.01                57
 05/19/2025   17:52:33   (  73.81, -98.59) 05/19/2025   17:53:03  (  73.80, -98.50)    3.24                30
 05/19/2025   18:43:15   ( -73.72,  68.94) 05/19/2025   18:42:26  ( -73.71,  68.97)    1.63                49
 05/22/2025   04:14:15   ( -73.82, -74.04) 05/22/2025   04:14:54  ( -73.82, -73.95)    3.08                39
 05/22/2025   05:04:59   (  73.71,  93.52) 05/22/2025   05:04:13  (  73.73,  93.53)    2.44                46
 05/24/2025   14:35:59   (  73.82, -49.47) 05/24/2025   14:36:41  (  73.83, -49.43)    1.90                42
 05/24/2025   15:26:41   ( -73.73, 118.06) 05/24/2025   15:26:04  ( -73.75, 118.05)    2.27                37
 05/27/2025   00:57:41   ( -73.84, -24.94) 05/27/2025   00:58:32  ( -73.83, -24.94)    0.97                51
 05/27/2025   01:48:25   (  73.73, 142.62) 05/27/2025   01:47:51  (  73.73, 142.52)    3.07                34
 05/29/2025   11:19:24   (  73.84,  -0.40) 05/29/2025   11:20:17  (  73.84,  -0.41)    0.52                53
 05/29/2025   12:10:06   ( -73.75, 167.13) 05/29/2025   12:09:40  ( -73.76, 167.09)    1.65                26