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: 4/13/2021
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 04/15/2021 06:58:04 70.17, 71.87 60.23 04/15/2021 06:57:08 70.18, 71.79 60.25 2.97 56
2 04/15/2021 07:47:34 -70.06,-120.66 119.89 04/15/2021 07:47:49 -70.05,-120.69 119.90 2.03 15
3 04/15/2021 08:37:13 69.29, 45.94 59.36 04/15/2021 08:38:21 69.28, 47.74 59.30 70.82 68
4 04/17/2021 23:14:32 70.11,-172.35 59.22 04/17/2021 23:14:00 70.13,-172.36 59.25 2.66 32
5 04/18/2021 00:04:02 -70.00, -4.86 120.90 04/18/2021 00:04:41 -70.00, -4.83 120.91 1.32 39
6 04/20/2021 14:41:27 -70.54, 136.51 121.28 04/20/2021 14:40:16 -70.57, 135.42 121.21 40.52 71
7 04/20/2021 15:31:00 70.10, -56.49 58.28 04/20/2021 15:30:53 70.09, -56.51 58.28 1.33 7
8 04/20/2021 16:20:30 -69.99, 111.00 121.83 04/20/2021 16:21:35 -70.00, 110.94 121.83 2.61 65
9 04/23/2021 06:58:02 -70.14,-108.19 122.57 04/23/2021 06:57:02 -70.16,-108.15 122.54 2.62 60
10 04/23/2021 07:47:29 70.02, 59.29 57.31 04/23/2021 07:47:46 70.05, 59.33 57.33 3.06 17
11 04/23/2021 08:37:09 -69.37,-133.97 123.33 04/23/2021 08:38:17 -69.37,-132.36 123.38 62.77 68
12 04/25/2021 23:14:30 -70.12, 7.66 123.47 04/25/2021 23:13:55 -70.12, 7.69 123.46 1.13 35
13 04/26/2021 00:03:57 70.00, 175.14 56.41 04/26/2021 00:04:39 70.01, 175.16 56.42 1.34 42

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/13/2021
SNOs_Map_LANDSAT-8_NPP_20210413.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/13/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP