Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/3/2023
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 02/04/2023 05:43:26 70.59, 90.05 86.94 02/04/2023 05:44:37 70.45, 90.83 86.76 32.53 71
2 02/04/2023 06:34:02 -70.18,-101.98 93.51 02/04/2023 06:34:10 -70.17,-101.94 93.52 1.61 8
3 02/04/2023 07:24:46 70.06, 65.50 86.36 02/04/2023 07:23:37 70.07, 65.56 86.38 2.60 69
4 02/06/2023 22:00:15 70.23,-153.60 85.74 02/06/2023 22:01:11 70.23,-153.62 85.74 1.01 56
5 02/06/2023 22:50:57 -70.13, 13.87 94.38 02/06/2023 22:50:41 -70.12, 13.86 94.38 0.87 16
6 02/06/2023 23:41:28 69.33,-177.64 84.78 02/06/2023 23:40:20 69.36,-179.55 84.89 74.96 68
7 02/09/2023 14:17:09 70.19, -37.76 84.86 02/09/2023 14:17:40 70.21, -37.77 84.88 2.65 31
8 02/09/2023 15:07:51 -70.09, 129.71 95.26 02/09/2023 15:07:10 -70.10, 129.71 95.24 1.64 41
9 02/12/2023 05:43:27 -70.63, -89.99 95.55 02/12/2023 05:44:38 -70.55, -89.05 95.67 35.96 71
10 02/12/2023 06:34:04 70.16, 78.06 83.95 02/12/2023 06:34:10 70.17, 78.04 83.96 1.46 6
11 02/12/2023 07:24:46 -70.05,-114.46 96.17 02/12/2023 07:23:40 -70.06,-114.48 96.16 0.95 66
12 02/14/2023 22:00:15 -70.23, 26.41 96.87 02/14/2023 22:01:13 -70.21, 26.34 96.89 3.64 58
13 02/14/2023 22:50:59 70.13,-166.12 83.02 02/14/2023 22:50:39 70.15,-166.10 83.04 2.73 20

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/3/2023
SNOs_Map_NPP_LANDSAT-9_20230203.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/03/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9