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: 12/28/2022
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 12/28/2022 21:59:53 -70.55, 25.90 86.26 12/28/2022 22:01:04 -70.45, 26.75 86.39 33.91 71
2 12/28/2022 22:50:31 70.11,-166.11 93.29 12/28/2022 22:50:35 70.12,-166.07 93.30 1.76 4
3 12/28/2022 23:41:12 -70.03, 1.34 86.80 12/28/2022 23:40:04 -70.01, 1.41 86.81 2.92 68
4 12/31/2022 14:16:43 -70.17, 142.26 86.82 12/31/2022 14:17:38 -70.17, 142.23 86.83 1.38 55
5 12/31/2022 15:07:27 70.05, -50.24 93.06 12/31/2022 15:07:05 70.06, -50.28 93.07 1.99 22
6 12/31/2022 15:57:55 -69.22, 118.29 87.80 12/31/2022 15:56:47 -69.30, 116.30 87.68 78.72 68
7 01/03/2023 06:33:41 -70.16,-101.96 87.05 01/03/2023 06:34:08 -70.15,-101.93 87.07 2.17 27
8 01/03/2023 07:24:25 70.05, 65.53 92.83 01/03/2023 07:23:35 70.03, 65.55 92.82 1.72 50
9 01/05/2023 21:59:56 70.21,-153.58 92.73 01/05/2023 22:01:08 70.20,-153.61 92.71 1.49 72
10 01/05/2023 22:50:38 -70.11, 13.89 87.38 01/05/2023 22:50:38 -70.10, 13.88 87.39 1.34 0
11 01/05/2023 23:41:19 69.84,-178.39 92.34 01/05/2023 23:40:07 69.87,-178.79 92.39 15.89 72
12 01/08/2023 14:16:53 70.16, -37.74 92.36 01/08/2023 14:17:37 70.18, -37.76 92.37 1.96 44
13 01/08/2023 15:07:35 -70.06, 129.73 87.76 01/08/2023 15:07:07 -70.08, 129.74 87.74 2.16 28

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/28/2022
SNOs_Map_NPP_LANDSAT-9_20221228.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/28/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9