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: 5/28/2023
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 05/29/2023 21:09:37 -70.41, 39.03 131.34 05/29/2023 21:10:40 -70.44, 39.02 131.32 3.11 63
2 05/29/2023 22:00:21 70.31,-153.49 48.54 05/29/2023 22:00:08 70.29,-153.56 48.52 3.32 13
3 05/29/2023 22:50:55 -69.79, 14.61 132.00 05/29/2023 22:49:44 -69.84, 13.44 131.92 44.95 71
4 06/01/2023 13:26:29 -70.37, 154.88 131.78 06/01/2023 13:27:10 -70.38, 154.80 131.77 3.20 41
5 06/01/2023 14:17:13 70.26, -37.65 48.11 06/01/2023 14:16:37 70.27, -37.71 48.13 2.70 36
6 06/04/2023 04:52:50 71.05, 102.21 48.61 06/04/2023 04:53:59 70.95, 103.90 48.46 62.12 69
7 06/04/2023 05:43:21 -70.38, -89.37 132.10 06/04/2023 05:43:38 -70.35, -89.37 132.13 2.81 17
8 06/04/2023 06:34:04 70.22, 78.19 47.74 06/04/2023 06:33:05 70.24, 78.12 47.76 3.42 59
9 06/06/2023 21:09:31 70.44,-141.01 47.68 06/06/2023 21:10:36 70.46,-140.96 47.70 3.09 65
10 06/06/2023 22:00:13 -70.34, 26.46 132.43 06/06/2023 22:00:06 -70.36, 26.52 132.41 2.92 7
11 06/06/2023 22:50:50 69.87,-165.51 47.08 06/06/2023 22:49:39 69.92,-166.47 47.16 36.94 71
12 06/09/2023 13:26:23 70.42, -25.20 47.41 06/09/2023 13:27:05 70.39, -25.18 47.39 2.41 42
13 06/09/2023 14:17:05 -70.31, 142.28 132.70 06/09/2023 14:16:35 -70.29, 142.30 132.72 2.28 30

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/28/2023
SNOs_Map_NPP_LANDSAT-9_20230528.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/28/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9