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: 8/2/2023
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 08/04/2023 13:26:15 -70.31, 154.85 126.92 08/04/2023 13:27:26 -70.33, 154.88 126.91 2.81 71
2 08/04/2023 14:16:59 70.19, -37.65 52.96 08/04/2023 14:16:54 70.18, -37.70 52.96 1.60 5
3 08/04/2023 15:07:38 -69.95, 130.03 127.28 08/04/2023 15:06:25 -70.01, 129.69 127.20 14.60 73
4 08/07/2023 05:43:09 -70.27, -89.32 126.23 08/07/2023 05:43:58 -70.25, -89.37 126.26 3.02 49
5 08/07/2023 06:33:53 70.15, 78.17 53.65 08/07/2023 06:33:25 70.15, 78.13 53.65 1.36 28
6 08/09/2023 21:09:38 71.22,-142.42 55.52 08/09/2023 21:10:44 71.12,-139.80 55.32 94.90 66
7 08/09/2023 22:00:03 -70.23, 26.49 125.51 08/09/2023 22:00:28 -70.24, 26.51 125.51 0.93 25
8 08/09/2023 22:50:47 70.12,-166.02 54.38 08/09/2023 22:49:55 70.14,-166.00 54.40 2.34 52
9 08/12/2023 13:26:15 70.35, -25.24 55.39 08/12/2023 13:27:27 70.32, -25.13 55.34 5.54 72
10 08/12/2023 14:16:56 -70.21, 142.31 124.75 08/12/2023 14:16:57 -70.21, 142.34 124.75 1.54 1
11 08/12/2023 15:07:38 69.99, -50.05 55.03 08/12/2023 15:06:25 70.05, -50.24 55.11 9.69 73
12 08/15/2023 05:43:08 70.28, 90.64 56.13 08/15/2023 05:43:57 70.26, 90.66 56.10 3.02 49
13 08/15/2023 06:33:49 -70.13,-101.81 124.02 08/15/2023 06:33:27 -70.15,-101.86 124.00 2.63 22

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/2/2023
SNOs_Map_NPP_LANDSAT-9_20230802.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/02/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9