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: 2/11/2023
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 02/12/2023 05:43:26 -70.60, -89.95 95.57 02/12/2023 05:44:37 -70.51, -89.10 95.71 33.12 71
2 02/12/2023 06:34:04 70.18, 78.03 83.97 02/12/2023 06:34:08 70.19, 78.08 83.98 2.65 4
3 02/12/2023 07:24:46 -70.08,-114.51 96.14 02/12/2023 07:23:38 -70.08,-114.45 96.14 2.19 68
4 02/14/2023 22:00:14 -70.23, 26.42 96.87 02/14/2023 22:01:09 -70.25, 26.40 96.86 2.61 55
5 02/14/2023 22:50:58 70.12,-166.10 83.01 02/14/2023 22:50:36 70.15,-166.10 83.04 3.04 22
6 02/14/2023 23:41:26 -69.29, 2.45 97.89 02/14/2023 23:40:18 -69.37, 0.47 97.70 78.46 68
7 02/17/2023 14:17:08 -70.19, 142.27 97.84 02/17/2023 14:17:36 -70.21, 142.23 97.82 3.17 28
8 02/17/2023 15:07:52 70.08, -50.26 82.04 02/17/2023 15:07:03 70.10, -50.28 82.07 2.74 49
9 02/20/2023 05:43:20 70.31, 90.54 81.35 02/20/2023 05:44:31 70.28, 90.59 81.31 3.75 71
10 02/20/2023 06:34:01 -70.16,-101.90 98.83 02/20/2023 06:34:01 -70.17,-101.93 98.81 1.98 0
11 02/20/2023 07:24:42 69.89, 65.81 80.89 02/20/2023 07:23:30 69.95, 65.40 80.97 16.83 72
12 02/22/2023 22:00:13 70.24,-153.57 80.31 02/22/2023 22:00:56 70.24,-153.57 80.30 0.68 43
13 02/22/2023 22:50:55 -70.14, 13.90 99.81 02/22/2023 22:50:26 -70.13, 13.91 99.82 1.19 29

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/11/2023
SNOs_Map_NPP_LANDSAT-9_20230211.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/11/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9