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: 2/22/2023
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 02/22/2023 22:00:14 70.26,-153.61 80.33 02/22/2023 22:00:57 70.26,-153.55 80.32 2.01 43
2 02/22/2023 22:50:55 -70.12, 13.93 99.84 02/22/2023 22:50:27 -70.14, 13.91 99.81 2.39 28
3 02/25/2023 13:26:36 -70.99, 153.68 99.88 02/25/2023 13:27:44 -70.92, 155.69 100.04 73.07 68
4 02/25/2023 14:17:07 70.20, -37.73 79.28 02/25/2023 14:17:22 70.22, -37.72 79.29 1.59 15
5 02/25/2023 15:07:49 -70.11, 129.73 100.84 02/25/2023 15:06:52 -70.10, 129.75 100.84 1.12 57
6 02/28/2023 05:43:16 -70.31, -89.42 101.61 02/28/2023 05:44:18 -70.30, -89.34 101.63 3.15 62
7 02/28/2023 06:33:59 70.15, 78.14 78.21 02/28/2023 06:33:46 70.14, 78.07 78.20 2.98 13
8 02/28/2023 07:24:33 -69.63,-113.77 102.35 02/28/2023 07:23:22 -69.70,-114.92 102.23 45.00 71
9 03/02/2023 22:00:09 -70.27, 26.43 102.68 03/02/2023 22:00:42 -70.25, 26.48 102.70 2.87 33
10 03/02/2023 22:50:52 70.11,-166.01 77.15 03/02/2023 22:50:09 70.14,-166.03 77.18 3.08 43
11 03/05/2023 13:26:22 70.44, -25.37 76.49 03/05/2023 13:27:34 70.38, -25.05 76.40 13.63 72
12 03/05/2023 14:17:02 -70.24, 142.27 103.74 03/05/2023 14:17:05 -70.22, 142.34 103.77 3.52 3
13 03/05/2023 15:07:45 70.08, -50.18 76.08 03/05/2023 15:06:32 70.10, -50.18 76.11 2.37 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/22/2023
SNOs_Map_NPP_LANDSAT-9_20230222.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/22/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9