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: 1/27/2023
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 01/27/2023 05:43:21 -70.54, -89.88 90.91 01/27/2023 05:44:33 -70.44, -89.16 91.05 28.86 72
2 01/27/2023 06:33:59 70.11, 78.10 88.63 01/27/2023 06:34:04 70.12, 78.03 88.65 3.42 5
3 01/27/2023 07:24:41 -70.02,-114.44 91.48 01/27/2023 07:23:34 -70.01,-114.50 91.47 2.66 67
4 01/29/2023 22:00:11 -70.21, 26.42 91.96 01/29/2023 22:01:08 -70.24, 26.41 91.94 2.87 57
5 01/29/2023 22:50:55 70.10,-166.10 87.92 01/29/2023 22:50:36 70.08,-166.17 87.90 3.24 19
6 01/29/2023 23:41:25 -69.37, 2.29 92.86 01/29/2023 23:40:16 -69.42, 0.56 92.73 68.32 69
7 02/01/2023 14:17:07 -70.20, 142.20 92.71 02/01/2023 14:17:39 -70.22, 142.25 92.70 2.48 32
8 02/01/2023 15:07:51 70.10, -50.32 87.17 02/01/2023 15:07:06 70.11, -50.25 87.19 3.36 45
9 02/04/2023 05:43:25 70.57, 90.08 86.92 02/04/2023 05:44:36 70.44, 90.81 86.74 31.23 71
10 02/04/2023 06:34:01 -70.16,-101.95 93.54 02/04/2023 06:34:09 -70.17,-101.95 93.53 1.28 8
11 02/04/2023 07:24:45 70.05, 65.52 86.35 02/04/2023 07:23:36 70.06, 65.55 86.37 1.33 69
12 02/06/2023 22:00:14 70.22,-153.59 85.74 02/06/2023 22:01:09 70.24,-153.59 85.75 2.61 55
13 02/06/2023 22:50:56 -70.12, 13.89 94.39 02/06/2023 22:50:39 -70.14, 13.89 94.37 2.52 17
14 02/06/2023 23:41:26 69.27,-177.55 84.72 02/06/2023 23:40:19 69.31,-179.60 84.85 80.72 67
15 02/09/2023 14:17:09 70.19, -37.77 84.86 02/09/2023 14:17:39 70.18, -37.81 84.85 1.93 30
16 02/09/2023 15:07:51 -70.09, 129.71 95.27 02/09/2023 15:07:09 -70.08, 129.68 95.27 1.50 42

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/27/2023
SNOs_Map_NPP_LANDSAT-9_20230127.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/27/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9