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: 1/8/2023
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 01/08/2023 14:16:52 70.16, -37.74 92.35 01/08/2023 14:17:36 70.18, -37.76 92.37 3.07 44
2 01/08/2023 15:07:34 -70.07, 129.72 87.75 01/08/2023 15:07:06 -70.07, 129.72 87.75 0.47 28
3 01/11/2023 05:43:19 -70.97, -90.59 87.18 01/11/2023 05:44:27 -70.84, -88.54 87.38 75.84 68
4 01/11/2023 06:33:49 70.12, 78.09 91.93 01/11/2023 06:34:05 70.13, 78.05 91.94 1.66 16
5 01/11/2023 07:24:31 -70.03,-114.46 88.18 01/11/2023 07:23:35 -70.02,-114.47 88.18 0.83 56
6 01/13/2023 22:00:02 -70.21, 26.41 88.41 01/13/2023 22:01:06 -70.22, 26.42 88.41 1.37 64
7 01/13/2023 22:50:46 70.10,-166.10 91.47 01/13/2023 22:50:33 70.11,-166.10 91.48 1.47 13
8 01/13/2023 23:41:20 -69.58, 1.99 89.08 01/13/2023 23:40:09 -69.67, 0.93 88.94 42.42 71
9 01/16/2023 14:16:59 -70.18, 142.22 88.92 01/16/2023 14:17:34 -70.17, 142.23 88.94 1.44 35
10 01/16/2023 15:07:43 70.08, -50.30 90.97 01/16/2023 15:07:01 70.06, -50.28 90.95 2.15 42
11 01/19/2023 05:43:18 70.48, 90.20 90.88 01/19/2023 05:44:29 70.36, 90.77 90.73 24.77 71
12 01/19/2023 06:33:55 -70.17,-101.99 89.46 01/19/2023 06:34:00 -70.15,-101.91 89.48 3.49 5
13 01/19/2023 07:24:38 70.01, 65.57 90.37 01/19/2023 07:23:27 70.03, 65.57 90.40 2.68 71
14 01/21/2023 22:00:09 70.21,-153.60 90.02 01/21/2023 22:00:57 70.20,-153.57 90.00 1.48 48
15 01/21/2023 22:50:51 -70.11, 13.88 90.10 01/21/2023 22:50:27 -70.10, 13.92 90.10 1.43 24

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/8/2023
SNOs_Map_NPP_LANDSAT-9_20230108.jpg

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

Historial Predications of SNOs between NPP and LANDSAT-9