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: 8/20/2023
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 08/20/2023 13:26:16 -70.63, 154.32 121.81 08/20/2023 13:27:27 -70.52, 155.17 121.95 33.71 71
2 08/20/2023 14:16:54 70.20, -37.69 57.76 08/20/2023 14:16:58 70.21, -37.65 57.76 2.26 4
3 08/20/2023 15:07:36 -70.11, 129.76 122.33 08/20/2023 15:06:28 -70.10, 129.82 122.34 3.22 68
4 08/23/2023 05:43:03 -70.27, -89.34 121.30 08/23/2023 05:44:03 -70.29, -89.30 121.29 2.74 60
5 08/23/2023 06:33:47 70.15, 78.15 58.60 08/23/2023 06:33:31 70.14, 78.12 58.58 2.23 16
6 08/23/2023 07:24:19 -69.54,-113.62 122.03 08/23/2023 07:23:09 -69.59,-115.01 121.94 54.45 70
7 08/25/2023 21:59:55 -70.23, 26.49 120.43 08/25/2023 22:00:34 -70.25, 26.51 120.42 2.02 39
8 08/25/2023 22:50:39 70.12,-166.03 59.47 08/25/2023 22:50:01 70.14,-165.99 59.50 2.97 38
9 08/28/2023 13:26:18 70.93, -26.17 61.22 08/28/2023 13:27:26 70.83, -24.38 61.07 66.31 68
10 08/28/2023 14:16:48 -70.20, 142.31 119.53 08/28/2023 14:17:06 -70.17, 142.28 119.56 2.80 18
11 08/28/2023 15:07:32 70.09, -50.22 60.38 08/28/2023 15:06:33 70.07, -50.23 60.36 2.85 59
12 08/31/2023 05:42:59 70.27, 90.65 61.49 08/31/2023 05:44:06 70.28, 90.69 61.49 1.97 67
13 08/31/2023 06:33:41 -70.17,-101.88 118.60 08/31/2023 06:33:36 -70.18,-101.82 118.60 2.31 5
14 08/31/2023 07:24:19 69.75, 66.06 60.98 08/31/2023 07:23:08 69.79, 65.27 61.04 30.65 71
15 09/02/2023 21:59:51 70.21,-153.48 62.39 09/02/2023 22:00:37 70.21,-153.54 62.38 2.31 46
16 09/02/2023 22:50:33 -70.10, 14.00 117.71 09/02/2023 22:50:07 -70.11, 13.95 117.70 1.89 26

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/20/2023
SNOs_Map_NPP_LANDSAT-9_20230820.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/20/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9