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: 7/27/2023
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 07/27/2023 13:26:17 70.31, -25.14 51.11 07/27/2023 13:27:18 70.32, -25.13 51.11 1.21 61
2 07/27/2023 14:16:58 -70.18, 142.38 129.02 07/27/2023 14:16:48 -70.20, 142.33 129.00 2.97 10
3 07/27/2023 15:07:33 69.57, -49.41 50.36 07/27/2023 15:06:23 69.67, -50.77 50.51 53.88 70
4 07/30/2023 05:43:11 70.25, 90.71 51.68 07/30/2023 05:43:51 70.25, 90.65 51.67 2.33 40
5 07/30/2023 06:33:53 -70.17,-101.84 128.40 07/30/2023 06:33:20 -70.19,-101.80 128.38 3.02 33
6 08/01/2023 21:09:36 -71.10, 37.78 126.77 08/01/2023 21:10:43 -71.02, 40.05 126.94 82.20 67
7 08/01/2023 22:00:05 70.20,-153.44 52.28 08/01/2023 22:00:23 70.22,-153.52 52.30 3.57 18
8 08/01/2023 22:50:47 -70.12, 14.00 127.80 08/01/2023 22:49:53 -70.11, 13.95 127.80 2.42 54
9 08/04/2023 13:26:16 -70.33, 154.82 126.90 08/04/2023 13:27:27 -70.31, 154.85 126.93 1.94 71
10 08/04/2023 14:17:00 70.21, -37.69 52.99 08/04/2023 14:16:54 70.21, -37.66 52.99 1.30 6
11 08/04/2023 15:07:39 -69.96, 130.00 127.26 08/04/2023 15:06:26 -69.99, 129.66 127.22 13.19 73
12 08/07/2023 05:43:09 -70.29, -89.35 126.22 08/07/2023 05:43:57 -70.28, -89.32 126.23 1.38 48
13 08/07/2023 06:33:53 70.17, 78.13 53.68 08/07/2023 06:33:24 70.17, 78.17 53.68 1.51 29
14 08/09/2023 21:09:38 71.24,-142.47 55.54 08/09/2023 21:10:43 71.14,-139.76 55.35 97.71 65
15 08/09/2023 22:00:02 -70.20, 26.55 125.55 08/09/2023 22:00:28 -70.22, 26.47 125.53 3.58 26
16 08/09/2023 22:50:46 70.09,-165.98 54.35 08/09/2023 22:49:55 70.11,-166.04 54.38 3.22 51

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/27/2023
SNOs_Map_NPP_LANDSAT-9_20230727.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/27/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9