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: 4/27/2023
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 04/27/2023 21:10:06 -70.43, 38.99 123.62 04/27/2023 21:10:58 -70.45, 39.05 123.60 3.22 52
2 04/27/2023 22:00:50 70.31,-153.52 56.26 04/27/2023 22:00:26 70.30,-153.53 56.24 2.02 24
3 04/27/2023 22:51:16 -69.38, 15.18 124.71 04/27/2023 22:50:09 -69.46, 12.94 124.59 87.89 67
4 04/30/2023 13:26:56 -70.39, 154.83 124.50 04/30/2023 13:27:25 -70.36, 154.80 124.53 3.01 29
5 04/30/2023 14:17:40 70.27, -37.69 55.38 04/30/2023 14:16:52 70.26, -37.71 55.37 2.07 48
6 05/03/2023 04:53:08 70.60, 102.94 54.93 05/03/2023 04:54:20 70.52, 103.28 54.83 15.83 72
7 05/03/2023 05:43:47 -70.35, -89.34 125.34 05/03/2023 05:43:51 -70.35, -89.33 125.35 0.52 4
8 05/03/2023 06:34:31 70.25, 78.14 54.54 05/03/2023 06:33:18 70.24, 78.16 54.54 0.97 73
9 05/05/2023 21:09:56 70.43,-140.99 53.97 05/05/2023 21:10:47 70.41,-140.98 53.96 1.43 51
10 05/05/2023 22:00:38 -70.33, 26.48 126.14 05/05/2023 22:00:17 -70.30, 26.49 126.17 2.84 21
11 05/05/2023 22:51:05 69.32,-164.72 52.83 05/05/2023 22:49:59 69.36,-167.16 52.92 95.86 66
12 05/08/2023 13:26:46 70.36, -25.11 53.17 05/08/2023 13:27:12 70.39, -25.13 53.19 2.93 26
13 05/08/2023 14:17:28 -70.26, 142.36 126.95 05/08/2023 14:16:42 -70.28, 142.35 126.93 2.15 46

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/27/2023
SNOs_Map_NPP_LANDSAT-9_20230427.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/27/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9