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: 12/26/2022
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 12/26/2022 06:33:33 70.12, 78.12 93.41 12/26/2022 06:34:05 70.12, 78.05 93.41 2.58 32
2 12/26/2022 07:24:14 -70.04,-114.43 86.68 12/26/2022 07:23:34 -70.01,-114.47 86.70 2.94 40
3 12/28/2022 21:59:52 -70.54, 25.92 86.27 12/28/2022 22:01:03 -70.47, 26.79 86.36 32.96 71
4 12/28/2022 22:50:30 70.10,-166.08 93.28 12/28/2022 22:50:35 70.09,-166.11 93.27 1.30 5
5 12/28/2022 23:41:12 -70.01, 1.37 86.82 12/28/2022 23:40:05 -69.99, 1.37 86.84 2.66 67
6 12/31/2022 14:16:44 -70.20, 142.21 86.79 12/31/2022 14:17:38 -70.21, 142.29 86.78 3.05 54
7 12/31/2022 15:07:28 70.08, -50.30 93.09 12/31/2022 15:07:05 70.10, -50.22 93.11 3.48 23
8 12/31/2022 15:57:56 -69.25, 118.25 87.77 12/31/2022 15:56:48 -69.29, 116.29 87.69 77.20 68
9 01/03/2023 06:33:41 -70.14,-101.92 87.08 01/03/2023 06:34:09 -70.16,-101.92 87.06 2.31 28
10 01/03/2023 07:24:25 70.02, 65.57 92.81 01/03/2023 07:23:36 70.04, 65.56 92.83 2.40 49
11 01/05/2023 21:59:58 70.28,-153.69 92.80 01/05/2023 22:01:09 70.24,-153.56 92.75 6.88 71
12 01/05/2023 22:50:39 -70.13, 13.86 87.36 01/05/2023 22:50:39 -70.14, 13.93 87.36 2.80 0
13 01/05/2023 23:41:19 69.86,-178.42 92.36 01/05/2023 23:40:07 69.91,-178.75 92.43 13.72 72
14 01/08/2023 14:16:53 70.17, -37.76 92.37 01/08/2023 14:17:38 70.20, -37.74 92.38 2.73 45
15 01/08/2023 15:07:35 -70.07, 129.71 87.75 01/08/2023 15:07:09 -70.05, 129.68 87.77 3.12 26

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/26/2022
SNOs_Map_NPP_LANDSAT-9_20221226.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/26/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9