Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 1 19.  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)
 01/21/2025   14:16:27   ( -70.16, 142.10) 01/21/2025   14:17:24  ( -70.14, 142.17)    3.18                57
 01/21/2025   15:07:10   (  70.01, -50.37) 01/21/2025   15:06:51  (  70.04, -50.33)    3.32                19
 01/21/2025   15:57:41   ( -69.31, 117.97) 01/21/2025   15:56:31  ( -69.38, 116.40)   62.10                70
 01/24/2025   06:33:22   ( -70.09,-102.03) 01/24/2025   06:33:53  ( -70.10,-102.01)    1.31                31
 01/24/2025   07:24:06   (  70.00,  65.42) 01/24/2025   07:23:20  (  69.99,  65.48)    2.67                46
 01/26/2025   21:59:38   (  70.31,-153.92) 01/26/2025   22:00:50  (  70.22,-153.57)   16.40                72
 01/26/2025   22:50:17   ( -70.04,  13.82) 01/26/2025   22:50:21  ( -70.06,  13.83)    2.99                 4
 01/26/2025   23:41:01   (  69.95,-178.73) 01/26/2025   23:39:48  (  69.95,-178.68)    1.92                73
 01/29/2025   14:16:30   (  70.12, -37.84) 01/29/2025   14:17:18  (  70.14, -37.80)    3.16                48
 01/29/2025   15:07:12   ( -70.00, 129.66) 01/29/2025   15:06:49  ( -69.98, 129.61)    2.41                23
 02/01/2025   05:42:57   ( -71.07, -90.92) 02/01/2025   05:44:03  ( -70.95, -88.35)   93.90                66
 02/01/2025   06:33:24   (  70.09,  77.97) 02/01/2025   06:33:44  (  70.07,  77.99)    2.84                20
 02/01/2025   07:24:06   ( -69.97,-114.53) 02/01/2025   07:23:14  ( -69.97,-114.52)    0.78                52