Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 9 26.  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)
 09/26/2021   15:00:25   ( -69.18, 132.51) 09/26/2021   15:01:37  ( -69.08, 133.04)   23.68                72
 09/26/2021   15:51:04   (  68.79, -59.65) 09/26/2021   15:51:07  (  68.80, -59.66)    1.36                 3
 09/26/2021   16:41:46   ( -68.70, 107.79) 09/26/2021   16:40:37  ( -68.69, 107.84)    2.15                69
 09/29/2021   07:17:16   ( -68.91,-111.35) 09/29/2021   07:18:06  ( -68.92,-111.28)    3.13                50
 09/29/2021   08:07:58   (  68.74,  56.19) 09/29/2021   08:07:33  (  68.75,  56.15)    1.89                25
 09/29/2021   08:58:25   ( -67.84,-135.34) 09/29/2021   08:57:17  ( -67.86,-137.27)   81.23                68
 10/01/2021   22:43:43   (  69.75,-164.10) 10/01/2021   22:44:50  (  69.64,-162.10)   78.26                67
 10/01/2021   23:34:10   ( -68.86,   4.49) 10/01/2021   23:34:32  ( -68.87,   4.53)    1.87                22
 10/02/2021   00:24:53   (  68.69, 172.02) 10/02/2021   00:24:00  (  68.69, 171.96)    2.57                53
 10/04/2021   15:00:23   (  68.91, -47.12) 10/04/2021   15:01:29  (  68.91, -47.17)    1.95                66
 10/04/2021   15:51:05   ( -68.81, 120.33) 10/04/2021   15:50:59  ( -68.81, 120.33)    0.64                 6
 10/04/2021   16:41:42   (  68.33, -71.72) 10/04/2021   16:40:31  (  68.40, -72.51)   33.54                71
 10/07/2021   07:17:18   (  68.87,  68.70) 10/07/2021   07:17:55  (  68.89,  68.69)    2.16                37
 10/07/2021   08:08:00   ( -68.77,-123.84) 10/07/2021   08:07:25  ( -68.79,-123.80)    3.10                35
 10/09/2021   22:43:38   ( -69.41,  16.41) 10/09/2021   22:44:48  ( -69.32,  17.48)   43.25                70
 10/09/2021   23:34:13   (  68.83,-175.47) 10/09/2021   23:34:22  (  68.81,-175.53)    3.43                 9
 10/10/2021   00:24:54   ( -68.73,  -8.01) 10/10/2021   00:23:51  ( -68.71,  -8.02)    1.39                63