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: 6/26/2023
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 06/28/2023 05:43:05 70.30, 90.75 46.97 06/28/2023 05:43:33 70.32, 90.75 46.99 2.46 28
2 06/28/2023 06:33:47 -70.21,-101.80 133.12 06/28/2023 06:33:03 -70.21,-101.77 133.12 0.87 44
3 06/30/2023 21:09:25 -70.81, 38.38 132.34 06/30/2023 21:10:35 -70.68, 39.51 132.52 44.02 70
4 06/30/2023 22:00:01 70.28,-153.46 47.10 06/30/2023 22:00:08 70.25,-153.48 47.07 2.82 7
5 06/30/2023 22:50:42 -70.14, 14.08 133.05 06/30/2023 22:49:38 -70.15, 14.00 133.03 3.33 64
6 07/03/2023 13:26:13 -70.38, 154.84 132.60 07/03/2023 13:27:14 -70.37, 154.91 132.62 2.89 61
7 07/03/2023 14:16:57 70.26, -37.67 47.28 07/03/2023 14:16:41 70.26, -37.60 47.28 2.82 16
8 07/03/2023 15:07:29 -69.64, 130.57 133.36 07/03/2023 15:06:19 -69.72, 129.27 133.23 51.16 70
9 07/06/2023 05:43:07 -70.32, -89.31 132.42 07/06/2023 05:43:47 -70.30, -89.32 132.44 1.97 40
10 07/06/2023 06:33:51 70.20, 78.18 47.47 07/06/2023 06:33:14 70.19, 78.16 47.46 1.45 37
11 07/08/2023 21:09:32 70.99,-141.95 48.58 07/08/2023 21:10:40 70.90,-140.18 48.42 64.78 68
12 07/08/2023 22:00:02 -70.26, 26.54 132.19 07/08/2023 22:00:20 -70.25, 26.48 132.20 2.48 18
13 07/08/2023 22:50:46 70.15,-165.98 47.70 07/08/2023 22:49:47 70.14,-166.04 47.70 2.41 59

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/26/2023
SNOs_Map_NPP_LANDSAT-9_20230626.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/26/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9