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: 5/8/2021
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 05/09/2021 06:57:55 -70.13,-108.09 127.40 05/09/2021 06:57:06 -70.13,-108.13 127.38 1.68 49
2 05/09/2021 07:47:22 70.02, 59.41 52.50 05/09/2021 07:47:50 70.02, 59.36 52.49 2.04 28
3 05/11/2021 22:24:43 70.94,-158.62 52.73 05/11/2021 22:23:36 70.99,-161.06 52.83 88.48 67
4 05/11/2021 23:14:27 -70.07, 7.71 128.14 05/11/2021 23:14:02 -70.05, 7.76 128.16 2.75 25
5 05/12/2021 00:03:54 69.97, 175.20 51.75 05/12/2021 00:04:47 69.99, 175.16 51.77 3.32 53
6 05/14/2021 14:41:28 70.17, -43.91 51.31 05/14/2021 14:40:18 70.18, -43.99 51.33 3.21 70
7 05/14/2021 15:30:59 -70.01, 123.50 128.86 05/14/2021 15:30:59 -70.03, 123.56 128.84 2.99 0
8 05/14/2021 16:20:27 69.79, -69.16 50.92 05/14/2021 16:21:39 69.76, -68.73 50.88 17.23 72
9 05/17/2021 06:57:59 70.10, 71.87 50.62 05/17/2021 06:57:13 70.10, 71.89 50.63 1.21 46
10 05/17/2021 07:47:29 -70.00,-120.64 129.49 05/17/2021 07:47:55 -70.00,-120.64 129.49 0.75 26
11 05/19/2021 22:24:49 -70.95, 21.37 129.12 05/19/2021 22:23:42 -71.02, 18.86 128.99 91.22 67
12 05/19/2021 23:14:30 70.07,-172.29 50.02 05/19/2021 23:14:10 70.08,-172.32 50.03 1.70 20
13 05/20/2021 00:04:00 -69.97, -4.80 130.09 05/20/2021 00:04:52 -69.98, -4.84 130.09 1.67 52

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/8/2021
SNOs_Map_LANDSAT-8_NPP_20210508.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/08/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP