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: 5/7/2021
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 06:57:56 -70.10,-108.13 127.42 05/09/2021 06:57:06 -70.11,-108.09 127.41 1.62 50
2 05/09/2021 07:47:22 70.00, 59.37 52.47 05/09/2021 07:47:49 69.99, 59.40 52.46 1.47 27
3 05/11/2021 22:24:43 70.92,-158.66 52.70 05/11/2021 22:23:36 71.01,-161.10 52.85 89.29 67
4 05/11/2021 23:14:27 -70.05, 7.68 128.16 05/11/2021 23:14:02 -70.08, 7.72 128.13 3.34 25
5 05/12/2021 00:03:54 69.94, 175.17 51.73 05/12/2021 00:04:46 69.97, 175.20 51.75 2.57 52
6 05/14/2021 14:41:28 70.16, -43.93 51.29 05/14/2021 14:40:17 70.15, -43.95 51.30 0.83 71
7 05/14/2021 15:30:58 -70.05, 123.56 128.82 05/14/2021 15:30:59 -70.05, 123.52 128.82 1.42 1
8 05/14/2021 16:20:28 69.78, -69.18 50.91 05/14/2021 16:21:40 69.78, -68.77 50.90 16.04 72
9 05/17/2021 06:58:00 70.10, 71.86 50.62 05/17/2021 06:57:13 70.08, 71.93 50.61 3.04 47
10 05/17/2021 07:47:30 -70.00,-120.65 129.49 05/17/2021 07:47:55 -69.98,-120.60 129.51 2.86 25
11 05/19/2021 22:24:50 -70.96, 21.39 129.10 05/19/2021 22:23:43 -71.05, 18.82 128.96 93.68 67
12 05/19/2021 23:14:31 70.09,-172.27 50.03 05/19/2021 23:14:10 70.06,-172.28 50.01 2.99 21
13 05/20/2021 00:04:01 -69.93, -4.86 130.13 05/20/2021 00:04:51 -69.95, -4.80 130.11 2.92 50

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/7/2021
SNOs_Map_LANDSAT-8_NPP_20210507.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/07/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP