Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 3 21.  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)
 03/21/2023   13:26:54   (  70.31, -25.26) 03/21/2023   13:27:47  (  70.32, -25.24)    2.06                53
 03/21/2023   14:17:36   ( -70.22, 142.19) 03/21/2023   14:17:17  ( -70.21, 142.23)    2.28                19
 03/21/2023   15:08:05   (  69.30, -49.13) 03/21/2023   15:06:58  (  69.33, -51.33)   86.53                67
 03/24/2023   05:43:52   (  70.28,  90.56) 03/24/2023   05:44:15  (  70.26,  90.56)    1.28                23
 03/24/2023   06:34:33   ( -70.14,-101.91) 03/24/2023   06:33:45  ( -70.15,-101.96)    2.59                48
 03/26/2023   21:10:05   ( -70.32,  38.94) 03/26/2023   21:11:15  ( -70.34,  38.91)    1.80                70
 03/26/2023   22:00:49   (  70.20,-153.56) 03/26/2023   22:00:42  (  70.22,-153.61)    3.13                 7
 03/26/2023   22:51:27   ( -69.90,  14.21) 03/26/2023   22:50:15  ( -69.95,  13.64)   22.60                72
 03/29/2023   13:27:03   ( -70.31, 154.73) 03/29/2023   13:27:41  ( -70.32, 154.77)    1.83                38
 03/29/2023   14:17:47   (  70.19, -37.78) 03/29/2023   14:17:08  (  70.21, -37.75)    1.98                39
 04/01/2023   04:53:22   (  70.61, 102.70) 04/01/2023   04:54:34  (  70.48, 103.27)   25.22                72
 04/01/2023   05:43:59   ( -70.25, -89.41) 04/01/2023   05:44:06  ( -70.27, -89.41)    1.62                 7
 04/01/2023   06:34:43   (  70.14,  78.08) 04/01/2023   06:33:33  (  70.15,  78.07)    1.71                70
 04/03/2023   21:10:15   (  70.36,-141.12) 04/03/2023   21:11:01  (  70.34,-141.05)    3.19                46
 04/03/2023   22:00:56   ( -70.21,  26.43) 04/03/2023   22:00:31  ( -70.24,  26.44)    3.35                25