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: 8/30/2023
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 08/31/2023 05:42:59 70.29, 90.63 61.51 08/31/2023 05:44:06 70.30, 90.71 61.51 3.32 67
2 08/31/2023 06:33:40 -70.14,-101.83 118.63 08/31/2023 06:33:37 -70.13,-101.90 118.65 2.99 3
3 08/31/2023 07:24:19 69.77, 66.04 60.99 08/31/2023 07:23:07 69.87, 65.37 61.11 28.35 72
4 09/02/2023 21:59:51 70.22,-153.49 62.40 09/02/2023 22:00:37 70.24,-153.50 62.42 2.84 46
5 09/02/2023 22:50:33 -70.12, 13.97 117.69 09/02/2023 22:50:07 -70.13, 13.98 117.68 1.06 26
6 09/05/2023 14:16:44 70.21, -37.70 63.37 09/05/2023 14:17:07 70.22, -37.65 63.38 2.19 23
7 09/05/2023 15:07:26 -70.11, 129.76 116.72 09/05/2023 15:06:37 -70.11, 129.83 116.72 2.42 49
8 09/08/2023 05:42:56 -70.46, -89.64 115.39 09/08/2023 05:44:08 -70.39, -89.17 115.48 19.47 72
9 09/08/2023 06:33:36 70.15, 78.16 64.31 09/08/2023 06:33:37 70.17, 78.16 64.32 1.70 1
10 09/08/2023 07:24:18 -70.05,-114.37 115.79 09/08/2023 07:23:07 -70.06,-114.35 115.77 1.68 71
11 09/10/2023 21:59:44 -70.25, 26.47 114.60 09/10/2023 22:00:38 -70.26, 26.54 114.60 3.06 54
12 09/10/2023 22:50:27 70.10,-166.00 65.26 09/10/2023 22:50:06 70.09,-166.06 65.26 2.62 21

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/30/2023
SNOs_Map_NPP_LANDSAT-9_20230830.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/30/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9