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 05:43:11 70.29, 90.71 48.56 07/14/2023 05:43:47 70.26, 90.65 48.53 3.13 36
2 07/14/2023 06:33:53 -70.21,-101.85 131.52 07/14/2023 06:33:16 -70.20,-101.80 131.52 1.97 37
3 07/16/2023 21:09:31 -70.89, 38.19 130.38 07/16/2023 21:10:41 -70.78, 39.66 130.56 55.10 70
4 07/16/2023 22:00:05 70.25,-153.47 48.94 07/16/2023 22:00:16 70.24,-153.50 48.93 1.40 11
5 07/16/2023 22:50:47 -70.16, 13.98 131.14 07/16/2023 22:49:45 -70.18, 14.05 131.12 3.47 62
6 07/19/2023 13:26:16 -70.33, 154.86 130.51 07/19/2023 13:27:18 -70.35, 154.90 130.50 3.13 62
7 07/19/2023 14:17:00 70.21, -37.65 49.37 07/19/2023 14:16:46 70.19, -37.68 49.36 2.26 14
8 07/19/2023 15:07:33 -69.65, 130.51 131.21 07/19/2023 15:06:23 -69.70, 129.26 131.11 48.75 70
9 07/22/2023 05:43:11 -70.29, -89.33 130.04 07/22/2023 05:43:48 -70.29, -89.30 130.05 1.21 37
10 07/22/2023 06:33:55 70.18, 78.16 49.85 07/22/2023 06:33:15 70.18, 78.18 49.86 0.91 40
11 07/24/2023 21:09:32 70.78,-141.66 51.02 07/24/2023 21:10:42 70.63,-140.53 50.82 44.20 70
12 07/24/2023 22:00:06 -70.26, 26.48 129.52 07/24/2023 22:00:17 -70.26, 26.54 129.53 2.43 11
13 07/24/2023 22:50:50 70.15,-166.04 50.37 07/24/2023 22:49:44 70.14,-165.98 50.37 2.36 66

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/12/2023
SNOs_Map_NPP_LANDSAT-9_20230712.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