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: 5/4/2023
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 05/05/2023 21:09:56 70.42,-140.99 53.97 05/05/2023 21:10:47 70.42,-140.97 53.97 0.80 51
2 05/05/2023 22:00:38 -70.33, 26.47 126.14 05/05/2023 22:00:17 -70.30, 26.49 126.17 3.23 21
3 05/05/2023 22:51:05 69.32,-164.72 52.82 05/05/2023 22:49:59 69.37,-167.15 52.93 95.67 66
4 05/08/2023 13:26:46 70.35, -25.10 53.16 05/08/2023 13:27:13 70.36, -25.17 53.16 2.74 27
5 05/08/2023 14:17:28 -70.26, 142.36 126.95 05/08/2023 14:16:43 -70.24, 142.29 126.97 3.08 45
6 05/11/2023 04:52:56 -70.65, -77.11 127.24 05/11/2023 04:54:07 -70.60, -76.57 127.31 20.87 71
7 05/11/2023 05:43:36 70.34, 90.69 52.44 05/11/2023 05:43:37 70.33, 90.67 52.42 2.12 1
8 05/11/2023 06:34:18 -70.25,-101.84 127.68 05/11/2023 06:33:06 -70.27,-101.78 127.65 3.18 72
9 05/13/2023 21:09:43 -70.44, 39.01 128.13 05/13/2023 21:10:34 -70.43, 39.07 128.15 2.46 51
10 05/13/2023 22:00:26 70.29,-153.44 51.71 05/13/2023 22:00:01 70.32,-153.44 51.74 3.58 25
11 05/13/2023 22:50:52 -69.34, 15.28 129.27 05/13/2023 22:49:46 -69.39, 12.89 129.18 93.63 66
12 05/16/2023 12:36:08 71.38, -14.09 52.23 05/16/2023 12:37:14 71.28, -11.36 52.06 97.91 66
13 05/16/2023 13:26:33 -70.39, 154.87 128.82 05/16/2023 13:26:58 -70.40, 154.93 128.81 2.74 25
14 05/16/2023 14:17:17 70.29, -37.67 51.08 05/16/2023 14:16:25 70.29, -37.59 51.08 2.94 52

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/4/2023
SNOs_Map_NPP_LANDSAT-9_20230504.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/04/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9