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: 11/4/2023
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 11/05/2023 21:59:31 70.91,-154.62 86.62 11/05/2023 22:00:39 70.80,-152.67 86.52 72.34 68
2 11/05/2023 22:50:00 -70.15, 13.92 94.14 11/05/2023 22:50:19 -70.15, 13.99 94.15 2.78 19
3 11/05/2023 23:40:44 70.02,-178.58 85.75 11/05/2023 23:39:47 69.99,-178.59 85.71 3.54 57
4 11/08/2023 14:16:13 70.20, -37.71 86.70 11/08/2023 14:17:22 70.17, -37.74 86.67 3.33 69
5 11/08/2023 15:06:54 -70.06, 129.81 93.43 11/08/2023 15:06:52 -70.06, 129.74 93.44 2.68 2
6 11/08/2023 15:57:34 69.73, -62.38 86.25 11/08/2023 15:56:22 69.79, -62.99 86.30 24.73 72
7 11/11/2023 06:33:08 70.18, 78.08 87.44 11/11/2023 06:33:53 70.17, 78.14 87.43 2.45 45
8 11/11/2023 07:23:49 -70.04,-114.39 92.70 11/11/2023 07:23:23 -70.07,-114.38 92.68 2.47 26
9 11/13/2023 22:50:01 70.12,-166.06 88.10 11/13/2023 22:50:24 70.10,-166.09 88.08 2.89 23
10 11/13/2023 23:40:42 -69.98, 1.47 92.03 11/13/2023 23:39:54 -70.00, 1.40 92.02 2.99 48
11 11/16/2023 14:16:14 -70.35, 142.05 91.00 11/16/2023 14:17:26 -70.28, 142.40 91.07 15.49 72
12 11/16/2023 15:06:55 70.08, -50.22 88.74 11/16/2023 15:06:55 70.06, -50.27 88.72 2.55 0
13 11/16/2023 15:57:37 -69.99, 117.23 91.34 11/16/2023 15:56:25 -69.96, 117.22 91.38 3.29 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/4/2023
SNOs_Map_NPP_LANDSAT-9_20231104.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/04/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9