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: 12/30/2022
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 12/31/2022 14:16:43 -70.18, 142.25 86.81 12/31/2022 14:17:38 -70.16, 142.22 86.83 2.35 55
2 12/31/2022 15:07:27 70.06, -50.26 93.07 12/31/2022 15:07:05 70.06, -50.29 93.07 1.20 22
3 12/31/2022 15:57:55 -69.23, 118.28 87.79 12/31/2022 15:56:47 -69.29, 116.29 87.68 78.29 68
4 01/03/2023 06:33:40 -70.12,-101.89 87.09 01/03/2023 06:34:08 -70.14,-101.94 87.07 3.05 28
5 01/03/2023 07:24:25 70.06, 65.52 92.84 01/03/2023 07:23:35 70.04, 65.55 92.82 2.63 50
6 01/05/2023 21:59:56 70.21,-153.59 92.74 01/05/2023 22:01:08 70.21,-153.60 92.72 0.82 72
7 01/05/2023 22:50:38 -70.12, 13.87 87.37 01/05/2023 22:50:38 -70.11, 13.89 87.39 1.68 0
8 01/05/2023 23:41:19 69.85,-178.40 92.35 01/05/2023 23:40:07 69.88,-178.78 92.40 15.17 72
9 01/08/2023 14:16:53 70.17, -37.75 92.36 01/08/2023 14:17:37 70.20, -37.73 92.38 3.33 44
10 01/08/2023 15:07:35 -70.07, 129.71 87.75 01/08/2023 15:07:08 -70.04, 129.68 87.78 3.38 27
11 01/11/2023 05:43:20 -71.02, -90.68 87.12 01/11/2023 05:44:27 -70.89, -88.47 87.33 81.52 67
12 01/11/2023 06:33:49 70.13, 78.07 91.94 01/11/2023 06:34:06 70.12, 78.03 91.92 2.56 17
13 01/11/2023 07:24:31 -70.03,-114.46 88.17 01/11/2023 07:23:36 -70.02,-114.48 88.18 1.77 55

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/30/2022
SNOs_Map_NPP_LANDSAT-9_20221230.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/30/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9