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: 6/27/2023
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 06/28/2023 05:43:05 70.28, 90.79 46.95 06/28/2023 05:43:34 70.29, 90.71 46.96 3.52 29
2 06/28/2023 06:33:47 -70.19,-101.76 133.14 06/28/2023 06:33:04 -70.18,-101.82 133.15 2.33 43
3 06/30/2023 21:09:24 -70.79, 38.41 132.36 06/30/2023 21:10:35 -70.67, 39.48 132.54 41.65 71
4 06/30/2023 22:00:01 70.31,-153.50 47.13 06/30/2023 22:00:07 70.29,-153.43 47.11 3.14 6
5 06/30/2023 22:50:42 -70.17, 14.03 133.02 06/30/2023 22:49:37 -70.19, 14.05 132.99 2.34 65
6 07/03/2023 13:26:12 -70.36, 154.87 132.63 07/03/2023 13:27:15 -70.33, 154.84 132.66 3.37 63
7 07/03/2023 14:16:56 70.24, -37.63 47.26 07/03/2023 14:16:42 70.22, -37.66 47.24 1.98 14
8 07/03/2023 15:07:29 -69.67, 130.53 133.33 07/03/2023 15:06:19 -69.73, 129.28 133.22 48.65 70
9 07/06/2023 05:43:07 -70.29, -89.27 132.45 07/06/2023 05:43:49 -70.30, -89.33 132.45 2.47 42
10 07/06/2023 06:33:51 70.18, 78.22 47.44 07/06/2023 06:33:16 70.19, 78.16 47.46 2.73 35
11 07/08/2023 21:09:34 71.06,-142.08 48.66 07/08/2023 21:10:42 70.95,-140.11 48.47 72.39 68
12 07/08/2023 22:00:03 -70.29, 26.50 132.16 07/08/2023 22:00:22 -70.30, 26.55 132.15 2.63 19
13 07/08/2023 22:50:47 70.17,-166.02 47.73 07/08/2023 22:49:49 70.19,-165.97 47.76 3.00 58

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/27/2023
SNOs_Map_NPP_LANDSAT-9_20230627.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/27/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9