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: 10/24/2023
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 10/26/2023 06:33:04 70.19, 78.11 82.46 10/26/2023 06:33:52 70.19, 78.16 82.45 1.91 48
2 10/26/2023 07:23:45 -70.05,-114.36 97.67 10/26/2023 07:23:22 -70.08,-114.37 97.65 2.42 23
3 10/28/2023 22:49:59 70.12,-166.01 83.28 10/28/2023 22:50:21 70.10,-166.07 83.27 2.90 22
4 10/28/2023 23:40:40 -70.03, 1.44 96.79 10/28/2023 23:39:49 -70.05, 1.48 96.78 2.31 51
5 10/31/2023 14:16:10 -70.22, 142.28 95.75 10/31/2023 14:17:20 -70.20, 142.31 95.77 2.52 70
6 10/31/2023 15:06:54 70.10, -50.23 84.15 10/31/2023 15:06:47 70.09, -50.20 84.14 1.61 7
7 10/31/2023 15:57:32 -69.80, 117.54 96.14 10/31/2023 15:56:19 -69.87, 117.13 96.08 17.69 73
8 11/03/2023 06:33:05 -70.16,-101.86 94.95 11/03/2023 06:33:47 -70.16,-101.85 94.96 0.55 42
9 11/03/2023 07:23:49 70.05, 65.62 84.95 11/03/2023 07:23:14 70.05, 65.63 84.95 0.50 35
10 11/05/2023 21:59:27 70.68,-154.24 86.39 11/05/2023 22:00:37 70.58,-152.98 86.28 47.88 70
11 11/05/2023 22:50:00 -70.11, 13.97 94.18 11/05/2023 22:50:14 -70.09, 13.94 94.21 3.28 14
12 11/05/2023 23:40:44 70.00,-178.54 85.72 11/05/2023 23:39:41 69.97,-178.58 85.69 3.31 63

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/24/2023
SNOs_Map_NPP_LANDSAT-9_20231024.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/24/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9