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: 12/29/2022
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 14:16:44 -70.21, 142.20 86.78 12/31/2022 14:17:38 -70.19, 142.25 86.81 2.79 54
2 12/31/2022 15:07:28 70.09, -50.30 93.10 12/31/2022 15:07:05 70.08, -50.25 93.09 1.91 23
3 12/31/2022 15:57:56 -69.26, 118.24 87.76 12/31/2022 15:56:48 -69.26, 116.26 87.71 77.94 68
4 01/03/2023 06:33:41 -70.15,-101.93 87.07 01/03/2023 06:34:08 -70.17,-101.89 87.05 3.32 27
5 01/03/2023 07:24:25 70.03, 65.55 92.81 01/03/2023 07:23:36 70.01, 65.52 92.80 2.74 49
6 01/05/2023 21:59:57 70.24,-153.63 92.76 01/05/2023 22:01:08 70.24,-153.56 92.75 2.70 71
7 01/05/2023 22:50:38 -70.09, 13.92 87.40 01/05/2023 22:50:39 -70.08, 13.85 87.41 2.75 1
8 01/05/2023 23:41:19 69.87,-178.44 92.37 01/05/2023 23:40:06 69.91,-178.74 92.43 12.40 73
9 01/08/2023 14:16:53 70.19, -37.79 92.39 01/08/2023 14:17:37 70.18, -37.76 92.36 2.01 44
10 01/08/2023 15:07:35 -70.09, 129.68 87.73 01/08/2023 15:07:07 -70.08, 129.73 87.74 2.49 28
11 01/11/2023 05:43:20 -70.99, -90.62 87.16 01/11/2023 05:44:27 -70.92, -88.42 87.30 80.46 67
12 01/11/2023 06:33:50 70.15, 78.04 91.96 01/11/2023 06:34:06 70.15, 78.08 91.96 1.53 16
13 01/11/2023 07:24:32 -70.05,-114.49 88.15 01/11/2023 07:23:36 -70.05,-114.43 88.15 2.32 56

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/29/2022
SNOs_Map_NPP_LANDSAT-9_20221229.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/29/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9