Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 1 29.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/29/2021   18:21:58   ( -68.46,  82.91) 01/29/2021   18:23:09  ( -68.47,  82.91)    1.33                71
 01/29/2021   19:12:42   (  68.34,-109.63) 01/29/2021   19:12:36  (  68.36,-109.57)    3.06                 6
 01/29/2021   20:03:21   ( -68.09,  58.01) 01/29/2021   20:02:08  ( -68.14,  57.79)   10.68                73
 02/01/2021   10:38:53   ( -68.45,-161.30) 02/01/2021   10:39:37  ( -68.44,-161.25)    2.32                44
 02/01/2021   11:29:36   (  68.28,   6.23) 02/01/2021   11:29:05  (  68.27,   6.19)    1.84                31
 02/01/2021   12:19:59   ( -67.16, 174.91) 02/01/2021   12:18:52  ( -67.21, 172.62)   98.94                67
 02/04/2021   02:05:16   (  69.12, 146.24) 02/04/2021   02:06:25  (  69.00, 147.70)   59.46                69
 02/04/2021   02:55:46   ( -68.38, -45.45) 02/04/2021   02:56:04  ( -68.40, -45.42)    2.06                18
 02/04/2021   03:46:29   (  68.22, 122.08) 02/04/2021   03:45:32  (  68.22, 122.02)    2.45                57
 02/06/2021   18:21:59   (  68.47, -97.11) 02/06/2021   18:23:02  (  68.45, -97.10)    2.40                63
 02/06/2021   19:12:40   ( -68.32,  70.40) 02/06/2021   19:12:32  ( -68.35,  70.41)    3.49                 8
 02/06/2021   20:03:17   (  67.83,-121.67) 02/06/2021   20:02:05  (  67.89,-122.48)   34.68                72
 02/09/2021   10:38:53   (  68.42,  18.73) 02/09/2021   10:39:30  (  68.40,  18.72)    2.15                37
 02/09/2021   11:29:35   ( -68.32,-173.82) 02/09/2021   11:29:00  ( -68.30,-173.77)    2.58                35