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: 12/27/2023
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 12/29/2023 06:32:52 70.16, 78.11 93.34 12/29/2023 06:33:58 70.19, 78.13 93.36 2.71 66
2 12/29/2023 07:23:34 -70.07,-114.43 86.76 12/29/2023 07:23:28 -70.07,-114.40 86.76 1.13 6
3 12/29/2023 08:14:12 69.64, 53.53 92.79 12/29/2023 08:13:00 69.69, 52.72 92.87 32.07 72
4 12/31/2023 22:49:48 70.15,-166.10 93.16 12/31/2023 22:50:25 70.15,-166.04 93.15 2.54 37
5 12/31/2023 23:40:30 -70.05, 1.36 86.95 12/31/2023 23:39:55 -70.04, 1.44 86.96 3.32 35
6 01/03/2024 14:16:09 -70.67, 141.52 86.52 01/03/2024 14:17:19 -70.57, 142.82 86.67 49.21 70
7 01/03/2024 15:06:44 70.09, -50.25 92.87 01/03/2024 15:06:53 70.08, -50.25 92.86 1.65 9
8 01/03/2024 15:57:26 -69.99, 117.21 87.24 01/03/2024 15:56:23 -69.97, 117.23 87.26 2.63 63
9 01/06/2024 06:32:56 -70.15,-101.89 87.35 01/06/2024 06:33:53 -70.13,-101.92 87.37 1.89 57
10 01/06/2024 07:23:40 70.04, 65.58 92.55 01/06/2024 07:23:20 70.02, 65.56 92.53 2.52 20
11 01/06/2024 08:14:09 -69.25,-125.94 88.28 01/06/2024 08:13:01 -69.31,-127.77 88.17 72.30 68
12 01/08/2024 22:49:52 -70.11, 13.94 87.72 01/08/2024 22:50:19 -70.10, 13.93 87.73 0.65 27
13 01/08/2024 23:40:36 70.01,-178.60 92.18 01/08/2024 23:39:46 69.99,-178.59 92.16 2.29 50

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/27/2023
SNOs_Map_NPP_LANDSAT-9_20231227.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/27/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9