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: 5/12/2021
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 05/14/2021 14:41:29 70.13, -43.97 51.27 05/14/2021 14:40:17 70.13, -43.91 51.27 2.20 72
2 05/14/2021 15:30:58 -70.02, 123.51 128.85 05/14/2021 15:30:58 -70.03, 123.55 128.84 2.09 0
3 05/14/2021 16:20:28 69.75, -69.22 50.88 05/14/2021 16:21:39 69.76, -68.73 50.88 18.97 71
4 05/17/2021 06:57:59 70.12, 71.90 50.64 05/17/2021 06:57:13 70.11, 71.88 50.64 1.62 46
5 05/17/2021 07:47:29 -70.02,-120.62 129.47 05/17/2021 07:47:55 -70.01,-120.65 129.48 1.39 26
6 05/19/2021 22:24:49 -70.98, 21.42 129.09 05/19/2021 22:23:42 -71.03, 18.84 128.97 93.37 67
7 05/19/2021 23:14:31 70.05,-172.32 50.00 05/19/2021 23:14:09 70.04,-172.25 49.99 3.24 22
8 05/20/2021 00:04:01 -69.95, -4.83 130.11 05/20/2021 00:04:51 -69.94, -4.78 130.13 2.63 50
9 05/22/2021 14:41:35 -70.15, 136.05 130.44 05/22/2021 14:40:22 -70.13, 136.07 130.46 2.74 73
10 05/22/2021 15:31:02 70.04, -56.46 49.45 05/22/2021 15:31:06 70.02, -56.46 49.43 1.64 4
11 05/22/2021 16:20:34 -69.83, 110.87 130.77 05/22/2021 16:21:46 -69.81, 111.17 130.79 11.59 72
12 05/25/2021 06:58:06 -70.13,-108.10 130.95 05/25/2021 06:57:19 -70.11,-108.14 130.97 2.85 47
13 05/25/2021 07:47:32 70.02, 59.39 48.93 05/25/2021 07:48:02 70.01, 59.32 48.93 2.51 30

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/12/2021
SNOs_Map_LANDSAT-8_NPP_20210512.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/12/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP