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: 11/5/2023
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 70.92,-154.63 86.63 11/05/2023 22:00:39 70.79,-152.70 86.50 72.23 68
2 11/05/2023 22:49:59 -70.10, 13.99 94.19 11/05/2023 22:50:19 -70.13, 13.96 94.17 2.52 20
3 11/05/2023 23:40:44 70.03,-178.59 85.75 11/05/2023 23:39:46 70.03,-178.54 85.75 2.15 58
4 11/08/2023 14:16:13 70.21, -37.73 86.70 11/08/2023 14:17:20 70.22, -37.67 86.71 2.45 67
5 11/08/2023 15:06:54 -70.08, 129.80 93.42 11/08/2023 15:06:50 -70.11, 129.81 93.39 3.52 4
6 11/08/2023 15:57:33 69.68, -62.31 86.20 11/08/2023 15:56:21 69.78, -63.00 86.29 28.72 72
7 11/11/2023 06:33:07 70.14, 78.14 87.40 11/11/2023 06:33:51 70.15, 78.11 87.40 1.24 44
8 11/11/2023 07:23:49 -70.06,-114.41 92.68 11/11/2023 07:23:21 -70.04,-114.41 92.70 2.21 28
9 11/13/2023 21:59:33 -71.05, 25.14 90.98 11/13/2023 22:00:40 -70.96, 27.56 91.07 88.05 67
10 11/13/2023 22:50:01 70.14,-166.09 88.12 11/13/2023 22:50:19 70.14,-166.02 88.12 2.85 18
11 11/13/2023 23:40:42 -70.00, 1.44 92.01 11/13/2023 23:39:50 -69.98, 1.39 92.04 3.30 52
12 11/16/2023 14:16:11 -70.22, 142.25 91.13 11/16/2023 14:17:21 -70.20, 142.31 91.15 3.26 70
13 11/16/2023 15:06:55 70.10, -50.26 88.77 11/16/2023 15:06:48 70.08, -50.21 88.75 2.89 7
14 11/16/2023 15:57:33 -69.80, 117.51 91.53 11/16/2023 15:56:20 -69.87, 117.12 91.46 16.43 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/5/2023
SNOs_Map_NPP_LANDSAT-9_20231105.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/05/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9