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: 10/12/2023
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 10/12/2023 22:49:49 70.13,-165.96 77.60 10/12/2023 22:50:21 70.13,-166.04 77.60 2.97 32
2 10/12/2023 23:40:31 -70.04, 1.49 102.48 10/12/2023 23:39:51 -70.02, 1.44 102.50 3.24 40
3 10/15/2023 14:16:08 -70.59, 141.78 100.96 10/15/2023 14:17:19 -70.49, 142.72 101.06 36.29 71
4 10/15/2023 15:06:45 70.10, -50.16 78.57 10/15/2023 15:06:51 70.12, -50.19 78.58 2.06 6
5 10/15/2023 15:57:27 -70.01, 117.30 101.52 10/15/2023 15:56:21 -70.01, 117.29 101.52 0.38 66
6 10/18/2023 06:32:58 -70.20,-101.86 100.37 10/18/2023 06:33:54 -70.21,-101.82 100.36 2.13 56
7 10/18/2023 07:23:42 70.08, 65.63 79.53 10/18/2023 07:23:21 70.10, 65.67 79.55 2.84 21
8 10/18/2023 08:14:11 -69.30,-125.91 101.24 10/18/2023 08:13:02 -69.39,-127.67 101.15 69.91 69
9 10/20/2023 22:49:54 -70.14, 13.99 99.46 10/20/2023 22:50:24 -70.15, 13.98 99.45 1.14 30
10 10/20/2023 23:40:38 70.03,-178.53 80.44 10/20/2023 23:39:51 70.04,-178.53 80.45 1.28 47
11 10/23/2023 14:16:10 70.30, -37.82 81.64 10/23/2023 14:17:22 70.25, -37.62 81.59 9.24 72
12 10/23/2023 15:06:50 -70.10, 129.81 98.56 10/23/2023 15:06:53 -70.10, 129.79 98.56 1.11 3
13 10/23/2023 15:57:33 69.94, -62.63 81.30 10/23/2023 15:56:20 69.98, -62.73 81.34 6.25 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/12/2023
SNOs_Map_NPP_LANDSAT-9_20231012.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/12/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9