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 70.12,-166.01 83.29 10/28/2023 22:50:21 70.10,-166.08 83.27 3.37 22
2 10/28/2023 23:40:41 -70.03, 1.43 96.79 10/28/2023 23:39:50 -70.04, 1.47 96.79 1.34 51
3 10/31/2023 14:16:09 -70.17, 142.36 95.79 10/31/2023 14:17:20 -70.19, 142.29 95.78 2.85 71
4 10/31/2023 15:06:54 70.10, -50.23 84.15 10/31/2023 15:06:47 70.08, -50.21 84.13 2.50 7
5 10/31/2023 15:57:32 -69.81, 117.53 96.14 10/31/2023 15:56:19 -69.86, 117.11 96.09 17.29 73
6 11/03/2023 06:33:05 -70.17,-101.87 94.95 11/03/2023 06:33:47 -70.14,-101.88 94.98 2.97 42
7 11/03/2023 07:23:49 70.05, 65.62 84.95 11/03/2023 07:23:14 70.03, 65.61 84.93 1.72 35
8 11/05/2023 21:59:27 70.68,-154.24 86.39 11/05/2023 22:00:37 70.55,-153.01 86.26 47.40 70
9 11/05/2023 22:50:00 -70.12, 13.97 94.17 11/05/2023 22:50:13 -70.11, 13.98 94.18 0.62 13
10 11/05/2023 23:40:44 70.00,-178.55 85.72 11/05/2023 23:39:40 70.00,-178.53 85.72 0.55 64
11 11/08/2023 14:16:13 70.17, -37.67 86.67 11/08/2023 14:17:09 70.16, -37.69 86.66 1.19 56
12 11/08/2023 15:06:55 -70.08, 129.79 93.42 11/08/2023 15:06:39 -70.05, 129.79 93.45 2.69 16
13 11/08/2023 15:57:26 69.27, -61.72 85.79 11/08/2023 15:56:18 69.28, -63.62 85.79 75.02 68

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/27/2023
SNOs_Map_NPP_LANDSAT-9_20231027.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