Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 28.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 01/29/2023   22:00:11   ( -70.23,  26.38) 01/29/2023   22:01:08  ( -70.21,  26.37)    2.41                57
 01/29/2023   22:50:55   (  70.12,-166.14) 01/29/2023   22:50:35  (  70.11,-166.12)    1.17                20
 01/29/2023   23:41:24   ( -69.34,   2.33) 01/29/2023   23:40:16  ( -69.40,   0.52)   71.22                68
 02/01/2023   14:17:06   ( -70.18, 142.24) 02/01/2023   14:17:39  ( -70.20, 142.23)    3.12                33
 02/01/2023   15:07:50   (  70.07, -50.28) 02/01/2023   15:07:07  (  70.04, -50.35)    3.60                43
 02/04/2023   05:43:26   (  70.59,  90.04) 02/04/2023   05:44:37  (  70.44,  90.81)   33.38                71
 02/04/2023   06:34:02   ( -70.18,-101.98) 02/04/2023   06:34:10  ( -70.16,-101.95)    1.80                 8
 02/04/2023   07:24:46   (  70.07,  65.49) 02/04/2023   07:23:37  (  70.06,  65.54)    2.41                69
 02/06/2023   22:00:15   (  70.24,-153.62) 02/06/2023   22:01:10  (  70.26,-153.58)    2.60                55
 02/06/2023   22:50:57   ( -70.13,  13.86) 02/06/2023   22:50:40  ( -70.15,  13.90)    2.55                17
 02/06/2023   23:41:27   (  69.29,-177.58) 02/06/2023   23:40:19  (  69.38,-179.51)   76.60                68
 02/09/2023   14:17:09   (  70.21, -37.79) 02/09/2023   14:17:39  (  70.21, -37.76)    1.32                30
 02/09/2023   15:07:51   ( -70.10, 129.69) 02/09/2023   15:07:09  ( -70.11, 129.72)    1.67                42