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: 10/27/2023
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 10/28/2023 22:49:59 70.11,-166.01 83.28 10/28/2023 22:50:21 70.10,-166.08 83.27 2.93 22
2 10/28/2023 23:40:40 -70.03, 1.43 96.79 10/28/2023 23:39:49 -70.04, 1.47 96.79 1.59 51
3 10/31/2023 14:16:09 -70.17, 142.36 95.80 10/31/2023 14:17:20 -70.19, 142.30 95.78 3.39 71
4 10/31/2023 15:06:54 70.10, -50.22 84.15 10/31/2023 15:06:47 70.09, -50.20 84.14 1.45 7
5 10/31/2023 15:57:32 -69.81, 117.54 96.14 10/31/2023 15:56:19 -69.87, 117.12 96.08 17.53 73
6 11/03/2023 06:33:05 -70.16,-101.87 94.95 11/03/2023 06:33:47 -70.15,-101.87 94.97 1.40 42
7 11/03/2023 07:23:49 70.04, 65.63 84.94 11/03/2023 07:23:14 70.04, 65.62 84.94 0.14 35
8 11/05/2023 21:59:27 70.67,-154.23 86.38 11/05/2023 22:00:37 70.57,-152.99 86.28 47.07 70
9 11/05/2023 22:50:00 -70.11, 13.98 94.18 11/05/2023 22:50:13 -70.13, 14.00 94.16 2.11 13
10 11/05/2023 23:40:44 69.99,-178.54 85.72 11/05/2023 23:39:40 70.02,-178.51 85.74 2.94 64
11 11/08/2023 14:16:13 70.16, -37.65 86.66 11/08/2023 14:17:09 70.18, -37.66 86.68 2.54 56
12 11/08/2023 15:06:54 -70.07, 129.80 93.43 11/08/2023 15:06:38 -70.07, 129.82 93.43 0.83 16
13 11/08/2023 15:57:25 69.26, -61.70 85.78 11/08/2023 15:56:17 69.30, -63.60 85.81 74.56 68

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/27/2023
SNOs_Map_NPP_LANDSAT-9_20231028.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/27/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9