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: 7/19/2021
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 07/20/2021 06:08:39 -70.97, -94.46 129.69 07/20/2021 06:07:32 -70.99, -96.98 129.57 91.69 67
2 07/20/2021 06:58:21 70.05, 71.82 49.44 07/20/2021 06:58:00 70.02, 71.87 49.42 3.32 21
3 07/20/2021 07:47:51 -69.94,-120.70 130.66 07/20/2021 07:48:42 -69.94,-120.69 130.66 0.53 51
4 07/22/2021 22:25:25 -70.13, 20.17 129.96 07/22/2021 22:24:13 -70.14, 20.14 129.94 1.56 72
5 07/22/2021 23:14:52 70.03,-172.33 49.95 07/22/2021 23:14:57 70.02,-172.36 49.94 1.53 5
6 07/23/2021 00:04:24 -69.81, -5.00 130.25 07/23/2021 00:05:36 -69.78, -4.68 130.31 12.99 72
7 07/25/2021 14:41:56 -70.11, 136.02 129.41 07/25/2021 14:41:09 -70.09, 136.00 129.43 3.39 47
8 07/25/2021 15:31:24 69.95, -56.57 50.44 07/25/2021 15:31:53 69.96, -56.51 50.45 2.66 29
9 07/28/2021 06:08:45 70.85, 85.35 51.88 07/28/2021 06:07:37 70.85, 83.22 51.98 78.02 68
10 07/28/2021 06:58:28 -70.04,-108.21 128.89 07/28/2021 06:58:05 -70.03,-108.15 128.89 2.40 23
11 07/28/2021 07:47:55 69.92, 59.27 51.02 07/28/2021 07:48:49 69.91, 59.34 51.00 2.72 54
12 07/30/2021 22:25:28 70.10,-159.87 51.82 07/30/2021 22:24:19 70.12,-159.84 51.84 2.03 69
13 07/30/2021 23:14:58 -70.01, 7.63 128.27 07/30/2021 23:15:01 -70.03, 7.62 128.25 2.16 3
14 07/31/2021 00:04:29 69.67, 174.80 51.42 07/31/2021 00:05:40 69.65, 175.49 51.36 26.93 71

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/19/2021
SNOs_Map_LANDSAT-8_NPP_20210719.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/19/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP