Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2023 5 18.  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)
 05/18/2023   23:48:31   (  70.91, 178.56) 05/18/2023   23:49:02  (  70.90, 178.55)    1.34                31
 05/19/2023   00:39:13   ( -70.82, -13.96) 05/19/2023   00:38:27  ( -70.80, -13.95)    2.49                46
 05/21/2023   11:51:49   ( -71.45, 176.86) 05/21/2023   11:52:59  ( -71.33, 178.17)   48.41                70
 05/21/2023   12:42:24   (  70.88, -14.86) 05/21/2023   12:42:29  (  70.86, -14.90)    2.86                 5
 05/21/2023   13:33:06   ( -70.78, 152.62) 05/21/2023   13:31:54  ( -70.76, 152.60)    2.48                72
 05/24/2023   00:45:33   ( -70.95, -15.76) 05/24/2023   00:46:32  ( -70.94, -15.82)    2.20                59
 05/24/2023   01:36:17   (  70.84, 151.72) 05/24/2023   01:35:55  (  70.84, 151.69)    0.98                22
 05/26/2023   13:39:26   ( -70.91, 150.81) 05/26/2023   13:39:58  ( -70.91, 150.76)    2.03                32
 05/26/2023   14:30:10   (  70.82, -41.72) 05/26/2023   14:29:21  (  70.81, -41.74)    1.43                49
 05/29/2023   01:42:43   (  71.31, 149.35) 05/29/2023   01:43:54  (  71.22, 150.19)   31.90                71
 05/29/2023   02:33:19   ( -70.89, -42.62) 05/29/2023   02:33:23  ( -70.92, -42.62)    3.26                 4
 05/29/2023   03:24:00   (  70.64, 125.10) 05/29/2023   03:22:48  (  70.69, 124.71)   15.80                72
 05/31/2023   14:36:29   (  70.98, -43.57) 05/31/2023   14:37:22  (  70.97, -43.56)    0.47                53
 05/31/2023   15:27:11   ( -70.87, 123.93) 05/31/2023   15:26:48  ( -70.85, 123.90)    2.82                23