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: 4/19/2021
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 04/20/2021 14:41:28 -70.49, 136.44 121.32 04/20/2021 14:40:16 -70.56, 135.44 121.22 37.80 72
2 04/20/2021 15:31:01 70.06, -56.54 58.25 04/20/2021 15:30:53 70.07, -56.48 58.26 2.42 8
3 04/20/2021 16:20:30 -70.00, 111.01 121.82 04/20/2021 16:21:35 -69.99, 110.96 121.84 2.65 65
4 04/23/2021 06:58:01 -70.15,-108.18 122.56 04/23/2021 06:57:01 -70.15,-108.13 122.56 1.87 60
5 04/23/2021 07:47:28 70.04, 59.31 57.33 04/23/2021 07:47:45 70.03, 59.36 57.31 2.30 17
6 04/23/2021 08:37:08 -69.38,-133.96 123.33 04/23/2021 08:38:17 -69.41,-132.42 123.34 60.26 69
7 04/25/2021 23:14:29 -70.13, 7.67 123.46 04/25/2021 23:13:54 -70.10, 7.71 123.48 3.16 35
8 04/26/2021 00:03:56 70.01, 175.16 56.42 04/26/2021 00:04:39 70.04, 175.11 56.45 3.31 43
9 04/28/2021 14:41:23 70.42, -43.66 55.99 04/28/2021 14:40:11 70.47, -44.41 56.07 28.47 72
10 04/28/2021 15:30:57 -70.10, 123.51 124.34 04/28/2021 15:30:48 -70.12, 123.47 124.32 2.30 9
11 04/28/2021 16:20:24 69.99, -69.01 55.54 04/28/2021 16:21:32 70.01, -69.05 55.56 2.91 68
12 05/01/2021 06:57:55 70.17, 71.86 54.92 05/01/2021 06:56:59 70.18, 71.83 54.94 1.20 56
13 05/01/2021 07:47:25 -70.07,-120.65 125.19 05/01/2021 07:47:41 -70.08,-120.70 125.18 2.01 16
14 05/01/2021 08:37:04 69.29, 45.93 54.05 05/01/2021 08:38:12 69.28, 47.78 54.00 72.99 68

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/19/2021
SNOs_Map_LANDSAT-8_NPP_20210419.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/19/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP