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: 7/18/2023
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 07/19/2023 13:26:16 -70.34, 154.84 130.50 07/19/2023 13:27:18 -70.32, 154.87 130.53 2.16 62
2 07/19/2023 14:17:00 70.21, -37.66 49.38 07/19/2023 14:16:45 70.23, -37.63 49.39 1.75 15
3 07/19/2023 15:07:33 -69.66, 130.49 131.20 07/19/2023 15:06:22 -69.73, 129.30 131.08 46.70 71
4 07/22/2023 05:43:11 -70.31, -89.35 130.02 07/22/2023 05:43:47 -70.30, -89.29 130.04 3.13 36
5 07/22/2023 06:33:55 70.19, 78.14 49.86 07/22/2023 06:33:14 70.19, 78.21 49.87 2.61 41
6 07/24/2023 21:09:31 70.74,-141.60 50.98 07/24/2023 21:10:41 70.63,-140.54 50.82 41.00 70
7 07/24/2023 22:00:05 -70.24, 26.52 129.55 07/24/2023 22:00:16 -70.24, 26.52 129.55 0.43 11
8 07/24/2023 22:50:49 70.12,-165.98 50.34 07/24/2023 22:49:43 70.14,-165.98 50.36 2.13 66
9 07/27/2023 13:26:17 70.31, -25.14 51.11 07/27/2023 13:27:13 70.32, -25.10 51.11 2.07 56
10 07/27/2023 14:16:59 -70.22, 142.31 128.98 07/27/2023 14:16:43 -70.21, 142.38 128.99 2.51 16
11 07/27/2023 15:07:30 69.41, -49.18 50.19 07/27/2023 15:06:22 69.44, -51.05 50.30 73.21 68
12 07/30/2023 05:43:11 70.25, 90.71 51.68 07/30/2023 05:43:41 70.26, 90.71 51.68 1.55 30
13 07/30/2023 06:33:53 -70.16,-101.83 128.42 07/30/2023 06:33:11 -70.16,-101.81 128.41 0.67 42

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/18/2023
SNOs_Map_NPP_LANDSAT-9_20230718.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/18/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9