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: 8/1/2023
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 08/01/2023 21:09:35 -71.09, 37.81 126.79 08/01/2023 21:10:43 -70.99, 39.99 126.98 79.55 68
2 08/01/2023 22:00:05 70.23,-153.49 52.32 08/01/2023 22:00:22 70.24,-153.49 52.32 1.37 17
3 08/01/2023 22:50:46 -70.10, 14.03 127.82 08/01/2023 22:49:52 -70.12, 13.98 127.78 3.34 54
4 08/04/2023 13:26:15 -70.31, 154.84 126.92 08/04/2023 13:27:26 -70.33, 154.87 126.91 2.38 71
5 08/04/2023 14:16:59 70.19, -37.66 52.97 08/04/2023 14:16:54 70.18, -37.70 52.96 1.88 5
6 08/04/2023 15:07:38 -69.95, 130.03 127.28 08/04/2023 15:06:25 -70.01, 129.69 127.20 14.39 73
7 08/07/2023 05:43:09 -70.27, -89.33 126.23 08/07/2023 05:43:57 -70.30, -89.29 126.22 3.15 48
8 08/07/2023 06:33:53 70.15, 78.16 53.66 08/07/2023 06:33:25 70.14, 78.13 53.65 1.76 28
9 08/09/2023 21:09:38 71.22,-142.44 55.53 08/09/2023 21:10:44 71.11,-139.81 55.32 95.17 66
10 08/09/2023 22:00:03 -70.24, 26.49 125.51 08/09/2023 22:00:28 -70.24, 26.50 125.51 0.58 25
11 08/09/2023 22:50:47 70.13,-166.03 54.39 08/09/2023 22:49:55 70.13,-166.00 54.40 1.31 52
12 08/12/2023 13:26:15 70.36, -25.25 55.40 08/12/2023 13:27:27 70.31, -25.14 55.34 6.94 72
13 08/12/2023 14:16:56 -70.21, 142.29 124.75 08/12/2023 14:16:57 -70.20, 142.34 124.76 1.98 1
14 08/12/2023 15:07:38 70.00, -50.07 55.04 08/12/2023 15:06:25 70.04, -50.25 55.10 8.45 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/1/2023
SNOs_Map_NPP_LANDSAT-9_20230801.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/01/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9