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: 2/16/2021
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 02/18/2021 06:58:28 -70.15,-108.12 98.30 02/18/2021 06:57:22 -70.13,-108.18 98.30 3.14 66
2 02/18/2021 07:47:56 69.99, 59.30 81.55 02/18/2021 07:48:06 70.01, 59.30 81.57 2.22 10
3 02/18/2021 08:37:30 -69.60,-133.60 98.83 02/18/2021 08:38:41 -69.60,-132.77 98.88 32.33 71
4 02/20/2021 23:14:56 -70.10, 7.69 99.30 02/20/2021 23:14:15 -70.08, 7.67 99.32 3.11 41
5 02/21/2021 00:04:24 69.95, 175.11 80.54 02/21/2021 00:04:59 69.97, 175.15 80.56 2.59 35
6 02/23/2021 14:41:47 70.60, -43.33 80.21 02/23/2021 14:40:37 70.65, -44.78 80.33 53.68 70
7 02/23/2021 15:31:25 -70.05, 123.50 100.33 02/23/2021 15:31:09 -70.03, 123.52 100.35 2.85 16
8 02/23/2021 16:20:52 69.95, -69.00 79.56 02/23/2021 16:21:53 69.92, -69.01 79.53 3.13 61
9 02/26/2021 06:58:24 70.11, 71.82 78.74 02/26/2021 06:57:22 70.13, 71.81 78.78 3.04 62
10 02/26/2021 07:47:54 -70.00,-120.69 101.38 02/26/2021 07:48:03 -69.98,-120.64 101.40 2.65 9
11 02/26/2021 08:37:29 69.45, 46.19 78.10 02/26/2021 08:38:39 69.45, 47.45 78.03 49.08 70
12 02/28/2021 23:14:52 70.10,-172.31 77.72 02/28/2021 23:14:16 70.09,-172.35 77.72 1.98 36
13 03/01/2021 00:04:21 -69.99, -4.82 102.40 03/01/2021 00:04:57 -69.99, -4.89 102.40 2.51 36

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 2/16/2021
SNOs_Map_LANDSAT-8_NPP_20210216.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 02/16/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP