Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/31/2020
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 01/01/2021 06:58:37 -70.32,-107.86 86.77 01/01/2021 06:57:25 -70.41,-108.58 86.65 28.75 72
2 01/01/2021 07:48:08 70.00, 59.33 92.92 01/01/2021 07:48:03 69.98, 59.40 92.90 3.44 5
3 01/01/2021 08:37:38 -69.89,-133.20 87.20 01/01/2021 08:38:45 -69.89,-133.15 87.20 1.96 67
4 01/03/2021 23:15:09 -70.11, 7.72 87.22 01/03/2021 23:14:15 -70.11, 7.66 87.21 2.33 54
5 01/04/2021 00:04:36 70.00, 175.21 92.67 01/04/2021 00:04:59 70.00, 175.14 92.67 2.83 23
6 01/04/2021 00:54:20 -69.12, -18.34 88.18 01/04/2021 00:55:27 -69.16, -16.33 88.20 79.82 67
7 01/06/2021 15:31:38 -70.05, 123.53 87.58 01/06/2021 15:31:10 -70.08, 123.48 87.55 3.00 28
8 01/06/2021 16:21:05 69.94, -68.99 92.32 01/06/2021 16:21:53 69.91, -68.97 92.29 3.21 48
9 01/09/2021 06:58:36 70.15, 71.91 92.18 01/09/2021 06:57:23 70.14, 71.83 92.18 3.45 73
10 01/09/2021 07:48:07 -69.99,-120.68 87.99 01/09/2021 07:48:04 -69.99,-120.62 87.99 2.18 3
11 01/09/2021 08:37:35 69.82, 46.73 91.85 01/09/2021 08:38:47 69.83, 46.92 91.85 7.43 72
12 01/11/2021 23:15:04 70.08,-172.30 91.71 01/11/2021 23:14:16 70.06,-172.28 91.70 2.08 48
13 01/12/2021 00:04:34 -69.98, -4.81 88.40 01/12/2021 00:04:58 -69.96, -4.81 88.43 2.46 24

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 12/31/2020
SNOs_Map_LANDSAT-8_NPP_20201231.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 12/31/2020 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP