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: 7/15/2021
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 07/17/2021 14:41:49 70.11, -43.97 49.01 07/17/2021 14:41:05 70.08, -44.00 49.00 3.06 44
2 07/17/2021 15:31:19 -70.00, 123.51 131.09 07/17/2021 15:31:47 -70.00, 123.45 131.09 2.24 28
3 07/20/2021 06:08:38 -70.87, -94.60 129.79 07/20/2021 06:07:30 -70.88, -96.81 129.69 80.38 68
4 07/20/2021 06:58:18 70.05, 71.84 49.44 07/20/2021 06:58:00 70.02, 71.86 49.42 3.22 18
5 07/20/2021 07:47:48 -69.94,-120.68 130.66 07/20/2021 07:48:42 -69.94,-120.69 130.67 0.63 54
6 07/22/2021 22:25:20 -70.15, 20.22 129.94 07/22/2021 22:24:13 -70.14, 20.15 129.94 3.42 67
7 07/22/2021 23:14:48 69.99,-172.37 49.91 07/22/2021 23:14:57 70.02,-172.36 49.94 3.22 9
8 07/23/2021 00:04:22 -69.67, -5.18 130.39 07/23/2021 00:05:34 -69.67, -4.52 130.43 25.80 72
9 07/25/2021 14:41:50 -70.09, 136.02 129.44 07/25/2021 14:41:09 -70.08, 136.01 129.44 1.76 41
10 07/25/2021 15:31:17 69.98, -56.50 50.47 07/25/2021 15:31:53 69.96, -56.51 50.44 2.02 36
11 07/28/2021 06:08:42 70.56, 84.96 51.61 07/28/2021 06:07:32 70.58, 83.66 51.69 48.10 70
12 07/28/2021 06:58:20 -70.03,-108.19 128.89 07/28/2021 06:58:05 -70.02,-108.14 128.90 2.28 15
13 07/28/2021 07:47:47 69.91, 59.29 51.00 07/28/2021 07:48:49 69.90, 59.35 50.99 2.36 62

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/15/2021
SNOs_Map_LANDSAT-8_NPP_20210716.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/15/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP