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: 12/21/2022
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 12/23/2022 14:16:35 70.16, -37.71 93.52 12/23/2022 14:17:33 70.18, -37.73 93.53 2.26 58
2 12/23/2022 15:07:17 -70.08, 129.74 86.58 12/23/2022 15:07:03 -70.07, 129.74 86.59 0.78 14
3 12/23/2022 15:57:49 69.32, -61.83 92.65 12/23/2022 15:56:41 69.36, -63.59 92.72 69.40 68
4 12/26/2022 06:33:33 70.14, 78.09 93.43 12/26/2022 06:34:01 70.13, 78.09 93.42 0.83 28
5 12/26/2022 07:24:15 -70.05,-114.45 86.67 12/26/2022 07:23:31 -70.02,-114.44 86.69 2.97 44
6 12/28/2022 21:59:49 -70.34, 26.23 86.47 12/28/2022 22:01:00 -70.28, 26.55 86.55 13.56 71
7 12/28/2022 22:50:31 70.12,-166.12 93.30 12/28/2022 22:50:28 70.12,-166.05 93.29 2.65 3
8 12/28/2022 23:41:12 -69.98, 1.42 86.86 12/28/2022 23:39:59 -69.96, 1.36 86.87 3.46 73
9 12/31/2022 14:16:43 -70.17, 142.26 86.82 12/31/2022 14:17:27 -70.19, 142.31 86.80 2.93 44
10 12/31/2022 15:07:27 70.06, -50.25 93.07 12/31/2022 15:06:54 70.08, -50.21 93.09 2.59 33
11 01/03/2023 05:43:08 70.74, 89.81 93.56 01/03/2023 05:44:17 70.62, 91.19 93.40 52.47 69
12 01/03/2023 06:33:40 -70.11,-101.88 87.10 01/03/2023 06:33:54 -70.14,-101.88 87.08 2.89 14
13 01/03/2023 07:24:24 70.00, 65.60 92.78 01/03/2023 07:23:21 70.02, 65.59 92.80 1.82 63

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/21/2022
SNOs_Map_NPP_LANDSAT-9_20221221.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/21/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9