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: 7/12/2023
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 07/14/2023 05:43:10 70.28, 90.72 48.55 07/14/2023 05:43:46 70.27, 90.66 48.54 2.18 36
2 07/14/2023 06:33:52 -70.20,-101.84 131.53 07/14/2023 06:33:15 -70.21,-101.79 131.52 2.21 37
3 07/16/2023 21:09:31 -70.89, 38.20 130.39 07/16/2023 21:10:41 -70.78, 39.66 130.56 54.68 70
4 07/16/2023 22:00:05 70.24,-153.46 48.94 07/16/2023 22:00:16 70.24,-153.50 48.93 1.50 11
5 07/16/2023 22:50:47 -70.16, 13.99 131.15 07/16/2023 22:49:46 -70.13, 13.97 131.17 3.51 61
6 07/19/2023 13:26:16 -70.33, 154.86 130.51 07/19/2023 13:27:18 -70.34, 154.89 130.51 2.02 62
7 07/19/2023 14:17:00 70.21, -37.65 49.37 07/19/2023 14:16:46 70.18, -37.69 49.35 3.23 14
8 07/19/2023 15:07:33 -69.65, 130.51 131.21 07/19/2023 15:06:23 -69.69, 129.24 131.11 49.20 70
9 07/22/2023 05:43:11 -70.30, -89.33 130.03 07/22/2023 05:43:48 -70.26, -89.33 130.07 3.70 37
10 07/22/2023 06:33:55 70.18, 78.16 49.85 07/22/2023 06:33:15 70.16, 78.16 49.84 2.61 40
11 07/24/2023 21:09:30 70.73,-141.59 50.98 07/24/2023 21:10:40 70.65,-140.50 50.84 40.88 70
12 07/24/2023 22:00:04 -70.22, 26.55 129.56 07/24/2023 22:00:16 -70.22, 26.49 129.57 2.18 12
13 07/24/2023 22:50:48 70.11,-165.97 50.33 07/24/2023 22:49:43 70.11,-166.02 50.34 2.09 65

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/12/2023
SNOs_Map_NPP_LANDSAT-9_20230713.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/12/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9