Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 5 20.  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)
 05/21/2025   13:26:25   ( -70.28, 154.68) 05/21/2025   13:27:13  ( -70.28, 154.68)    0.07                48
 05/21/2025   14:17:09   (  70.19, -37.86) 05/21/2025   14:16:40  (  70.18, -37.82)    1.82                29
 05/24/2025   04:52:53   (  71.04, 101.88) 05/24/2025   04:54:01  (  70.93, 103.89)   73.95                68
 05/24/2025   05:43:22   ( -70.24, -89.49) 05/24/2025   05:43:41  ( -70.26, -89.47)    2.41                19
 05/24/2025   06:34:05   (  70.10,  78.04) 05/24/2025   06:33:09  (  70.11,  77.96)    3.08                56
 05/26/2025   21:09:37   (  70.34,-141.19) 05/26/2025   21:10:39  (  70.34,-141.11)    2.94                62
 05/26/2025   22:00:19   ( -70.21,  26.32) 05/26/2025   22:00:09  ( -70.22,  26.36)    1.87                10
 05/26/2025   22:50:54   (  69.65,-165.52) 05/26/2025   22:49:44  (  69.68,-166.76)   47.99                70
 05/29/2025   13:26:33   (  70.27, -25.30) 05/29/2025   13:27:07  (  70.27, -25.32)    1.19                34
 05/29/2025   14:17:16   ( -70.19, 142.13) 05/29/2025   14:16:37  ( -70.16, 142.16)    3.18                39
 06/01/2025   04:52:51   ( -70.64, -77.45) 06/01/2025   04:54:02  ( -70.57, -76.64)   30.85                71
 06/01/2025   05:43:29   (  70.25,  90.49) 06/01/2025   05:43:33  (  70.25,  90.52)    1.52                 4
 06/01/2025   06:34:11   ( -70.12,-102.00) 06/01/2025   06:33:03  ( -70.14,-102.00)    1.77                68