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: 10/20/2023
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 10/20/2023 22:49:53 -70.14, 13.99 99.46 10/20/2023 22:50:24 -70.15, 13.96 99.46 1.22 31
2 10/20/2023 23:40:37 70.02,-178.51 80.43 10/20/2023 23:39:51 70.04,-178.54 80.46 3.07 46
3 10/23/2023 14:16:10 70.34, -37.88 81.68 10/23/2023 14:17:22 70.29, -37.59 81.62 12.87 72
4 10/23/2023 15:06:49 -70.10, 129.82 98.56 10/23/2023 15:06:53 -70.12, 129.81 98.54 2.37 4
5 10/23/2023 15:57:33 69.98, -62.69 81.34 10/23/2023 15:56:21 69.96, -62.77 81.32 3.67 72
6 10/26/2023 06:33:03 70.16, 78.17 82.42 10/26/2023 06:33:52 70.16, 78.12 82.42 1.83 49
7 10/26/2023 07:23:45 -70.07,-114.38 97.66 10/26/2023 07:23:22 -70.05,-114.40 97.68 2.14 23
8 10/28/2023 21:59:32 -71.14, 25.02 95.70 10/28/2023 22:00:38 -71.03, 27.67 95.81 96.52 66
9 10/28/2023 22:49:59 70.14,-166.05 83.31 10/28/2023 22:50:19 70.16,-165.99 83.32 2.65 20
10 10/28/2023 23:40:41 -70.05, 1.41 96.77 10/28/2023 23:39:49 -70.05, 1.49 96.78 2.94 52
11 10/31/2023 14:16:09 -70.20, 142.32 95.77 10/31/2023 14:17:18 -70.23, 142.36 95.74 3.27 69
12 10/31/2023 15:06:53 70.08, -50.20 84.13 10/31/2023 15:06:45 70.11, -50.16 84.16 3.30 8
13 10/31/2023 15:57:31 -69.78, 117.58 96.16 10/31/2023 15:56:18 -69.84, 117.09 96.11 19.82 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/20/2023
SNOs_Map_NPP_LANDSAT-9_20231020.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/20/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9