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: 12/28/2023
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 06:32:51 70.14, 78.14 93.32 12/29/2023 06:33:58 70.15, 78.08 93.32 2.75 67
2 12/29/2023 07:23:33 -70.05,-114.40 86.78 12/29/2023 07:23:28 -70.04,-114.45 86.79 2.46 5
3 12/29/2023 08:14:11 69.61, 53.56 92.77 12/29/2023 08:13:00 69.66, 52.67 92.84 34.86 71
4 12/31/2023 22:49:48 70.13,-166.07 93.13 12/31/2023 22:50:26 70.11,-166.09 93.12 1.41 38
5 12/31/2023 23:40:30 -70.03, 1.39 86.97 12/31/2023 23:39:56 -70.00, 1.39 87.00 3.19 34
6 01/03/2024 14:16:10 -70.70, 141.47 86.49 01/03/2024 14:17:19 -70.59, 142.85 86.65 52.17 69
7 01/03/2024 15:06:44 70.07, -50.22 92.85 01/03/2024 15:06:53 70.10, -50.22 92.88 3.23 9
8 01/03/2024 15:57:26 -69.97, 117.25 87.26 01/03/2024 15:56:23 -69.99, 117.25 87.24 2.00 63
9 01/06/2024 06:32:57 -70.18,-101.93 87.32 01/06/2024 06:33:53 -70.15,-101.90 87.35 2.79 56
10 01/06/2024 07:23:40 70.02, 65.62 92.52 01/06/2024 07:23:20 70.04, 65.59 92.54 2.87 20
11 01/06/2024 08:14:10 -69.28,-125.98 88.25 01/06/2024 08:13:01 -69.33,-127.75 88.15 69.63 69
12 01/08/2024 22:49:52 -70.13, 13.90 87.69 01/08/2024 22:50:18 -70.12, 13.95 87.71 2.39 26
13 01/08/2024 23:40:35 69.98,-178.56 92.15 01/08/2024 23:39:45 70.01,-178.56 92.18 3.21 50

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/28/2023
SNOs_Map_NPP_LANDSAT-9_20231228.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/28/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9