Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2022 12 26.  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)
 12/26/2022   06:33:33   (  70.12,  78.12) 12/26/2022   06:34:05  (  70.12,  78.05)    2.58                32
 12/26/2022   07:24:14   ( -70.04,-114.43) 12/26/2022   07:23:34  ( -70.01,-114.47)    2.94                40
 12/28/2022   21:59:52   ( -70.54,  25.92) 12/28/2022   22:01:03  ( -70.47,  26.79)   32.96                71
 12/28/2022   22:50:30   (  70.10,-166.08) 12/28/2022   22:50:35  (  70.09,-166.11)    1.30                 5
 12/28/2022   23:41:12   ( -70.01,   1.37) 12/28/2022   23:40:05  ( -69.99,   1.37)    2.66                67
 12/31/2022   14:16:44   ( -70.20, 142.21) 12/31/2022   14:17:38  ( -70.21, 142.29)    3.05                54
 12/31/2022   15:07:28   (  70.08, -50.30) 12/31/2022   15:07:05  (  70.10, -50.22)    3.48                23
 12/31/2022   15:57:56   ( -69.25, 118.25) 12/31/2022   15:56:48  ( -69.29, 116.29)   77.20                68
 01/03/2023   06:33:41   ( -70.14,-101.92) 01/03/2023   06:34:09  ( -70.16,-101.92)    2.31                28
 01/03/2023   07:24:25   (  70.02,  65.57) 01/03/2023   07:23:36  (  70.04,  65.56)    2.40                49
 01/05/2023   21:59:58   (  70.28,-153.69) 01/05/2023   22:01:09  (  70.24,-153.56)    6.88                71
 01/05/2023   22:50:39   ( -70.13,  13.86) 01/05/2023   22:50:39  ( -70.14,  13.93)    2.80                 0
 01/05/2023   23:41:19   (  69.86,-178.42) 01/05/2023   23:40:07  (  69.91,-178.75)   13.72                72
 01/08/2023   14:16:53   (  70.17, -37.76) 01/08/2023   14:17:38  (  70.20, -37.74)    2.73                45
 01/08/2023   15:07:35   ( -70.07, 129.71) 01/08/2023   15:07:09  ( -70.05, 129.68)    3.12                26