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: 2/1/2023
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 02/01/2023 14:17:06 -70.18, 142.24 92.74 02/01/2023 14:17:39 -70.21, 142.23 92.71 3.33 33
2 02/01/2023 15:07:50 70.06, -50.27 87.14 02/01/2023 15:07:07 70.05, -50.34 87.14 2.80 43
3 02/04/2023 05:43:26 70.58, 90.05 86.93 02/04/2023 05:44:37 70.46, 90.84 86.76 32.29 71
4 02/04/2023 06:34:02 -70.17,-101.98 93.52 02/04/2023 06:34:10 -70.18,-101.93 93.51 1.88 8
5 02/04/2023 07:24:46 70.06, 65.50 86.36 02/04/2023 07:23:37 70.08, 65.57 86.38 3.08 69
6 02/06/2023 22:00:15 70.22,-153.59 85.74 02/06/2023 22:01:11 70.24,-153.60 85.75 2.38 56
7 02/06/2023 22:50:57 -70.12, 13.88 94.38 02/06/2023 22:50:41 -70.13, 13.88 94.37 1.25 16
8 02/06/2023 23:41:28 69.33,-177.63 84.77 02/06/2023 23:40:20 69.37,-179.54 84.90 74.76 68
9 02/09/2023 14:17:09 70.18, -37.75 84.85 02/09/2023 14:17:41 70.17, -37.83 84.84 2.91 32
10 02/09/2023 15:07:51 -70.08, 129.72 95.27 02/09/2023 15:07:11 -70.07, 129.65 95.28 2.80 40
11 02/12/2023 05:43:28 -70.67, -90.06 95.50 02/12/2023 05:44:39 -70.52, -89.09 95.70 39.27 71
12 02/12/2023 06:34:05 70.20, 78.00 84.00 02/12/2023 06:34:10 70.19, 78.08 83.98 3.10 5
13 02/12/2023 07:24:46 -70.04,-114.45 96.19 02/12/2023 07:23:41 -70.03,-114.52 96.18 2.81 65
14 02/14/2023 22:00:16 -70.27, 26.36 96.83 02/14/2023 22:01:13 -70.25, 26.39 96.86 2.39 57
15 02/14/2023 22:50:59 70.12,-166.10 83.01 02/14/2023 22:50:40 70.14,-166.13 83.03 2.44 19

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/1/2023
SNOs_Map_NPP_LANDSAT-9_20230201.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/01/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9