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: 1/14/2023
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 01/16/2023 14:16:59 -70.19, 142.21 88.91 01/16/2023 14:17:33 -70.20, 142.27 88.91 2.45 34
2 01/16/2023 15:07:43 70.07, -50.30 90.97 01/16/2023 15:07:00 70.09, -50.24 90.98 3.01 43
3 01/19/2023 05:43:16 70.44, 90.28 90.83 01/19/2023 05:44:27 70.37, 90.77 90.73 20.13 71
4 01/19/2023 06:33:54 -70.13,-101.93 89.50 01/19/2023 06:33:59 -70.15,-101.91 89.49 2.23 5
5 01/19/2023 07:24:38 70.02, 65.55 90.38 01/19/2023 07:23:26 70.04, 65.58 90.41 2.33 72
6 01/21/2023 22:00:08 70.18,-153.55 89.99 01/21/2023 22:00:56 70.17,-153.62 89.97 2.87 48
7 01/21/2023 22:50:50 -70.08, 13.92 90.13 01/21/2023 22:50:26 -70.06, 13.86 90.14 2.88 24
8 01/24/2023 13:26:35 -71.03, 153.53 89.73 01/24/2023 13:27:42 -70.93, 155.76 89.92 81.65 67
9 01/24/2023 14:17:04 70.14, -37.72 89.33 01/24/2023 14:17:21 70.16, -37.74 89.34 1.48 17
10 01/24/2023 15:07:46 -70.04, 129.75 90.79 01/24/2023 15:06:51 -70.05, 129.74 90.77 1.18 55
11 01/27/2023 05:43:16 -70.22, -89.37 91.25 01/27/2023 05:44:19 -70.23, -89.39 91.25 0.79 63
12 01/27/2023 06:34:00 70.12, 78.09 88.64 01/27/2023 06:33:46 70.11, 78.09 88.63 1.49 14
13 01/27/2023 07:24:34 -69.59,-113.80 91.92 01/27/2023 07:23:23 -69.62,-114.96 91.84 44.97 71

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/14/2023
SNOs_Map_NPP_LANDSAT-9_20230114.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/14/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9