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: 7/14/2023
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 70.28, 90.67 48.54 2.04 36
2 07/14/2023 06:33:52 -70.20,-101.84 131.53 07/14/2023 06:33:15 -70.21,-101.79 131.51 2.59 37
3 07/16/2023 21:09:31 -70.88, 38.20 130.39 07/16/2023 21:10:41 -70.78, 39.66 130.56 54.59 70
4 07/16/2023 22:00:05 70.24,-153.45 48.93 07/16/2023 22:00:16 70.24,-153.49 48.94 1.74 11
5 07/16/2023 22:50:47 -70.16, 13.99 131.15 07/16/2023 22:49:46 -70.13, 13.98 131.17 2.93 61
6 07/19/2023 13:26:16 -70.33, 154.86 130.51 07/19/2023 13:27:18 -70.34, 154.90 130.51 2.47 62
7 07/19/2023 14:17:00 70.20, -37.64 49.37 07/19/2023 14:16:46 70.19, -37.69 49.35 2.58 14
8 07/19/2023 15:07:33 -69.64, 130.52 131.21 07/19/2023 15:06:23 -69.69, 129.25 131.11 49.26 70
9 07/22/2023 05:43:11 -70.30, -89.33 130.03 07/22/2023 05:43:48 -70.27, -89.33 130.07 3.27 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 1.90 40
11 07/24/2023 21:09:30 70.73,-141.58 50.97 07/24/2023 21:10:40 70.65,-140.50 50.84 40.63 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 2.26 12
13 07/24/2023 22:50:48 70.10,-165.96 50.32 07/24/2023 22:49:43 70.11,-166.02 50.34 2.28 65
14 07/27/2023 13:26:17 70.30, -25.12 51.10 07/27/2023 13:27:14 70.31, -25.13 51.10 0.89 57
15 07/27/2023 14:16:59 -70.20, 142.34 128.99 07/27/2023 14:16:44 -70.20, 142.36 129.00 0.80 15
16 07/27/2023 15:07:30 69.40, -49.16 50.18 07/27/2023 15:06:22 69.48, -51.00 50.34 72.30 68

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/14/2023
SNOs_Map_NPP_LANDSAT-9_20230714.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/14/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9