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: 7/14/2021
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 07/14/2021 22:25:20 70.10,-159.87 48.55 07/14/2021 22:24:08 70.11,-159.79 48.57 3.20 72
2 07/14/2021 23:14:49 -70.04, 7.68 131.50 07/14/2021 23:14:50 -70.02, 7.65 131.51 1.64 1
3 07/15/2021 00:04:19 69.77, 174.95 48.26 07/15/2021 00:05:31 69.74, 175.39 48.20 17.12 72
4 07/17/2021 14:41:49 70.10, -43.99 49.00 07/17/2021 14:41:05 70.10, -44.02 49.01 1.27 44
5 07/17/2021 15:31:19 -69.99, 123.49 131.10 07/17/2021 15:31:46 -69.96, 123.51 131.13 2.74 27
6 07/20/2021 06:08:39 -70.85, -94.62 129.80 07/20/2021 06:07:31 -70.90, -96.83 129.67 80.72 68
7 07/20/2021 06:58:19 70.04, 71.82 49.43 07/20/2021 06:58:01 70.04, 71.84 49.44 1.05 18
8 07/20/2021 07:47:49 -69.93,-120.70 130.67 07/20/2021 07:48:43 -69.96,-120.71 130.65 2.72 54
9 07/22/2021 22:25:21 -70.09, 20.13 130.01 07/22/2021 22:24:12 -70.11, 20.20 129.98 3.42 69
10 07/22/2021 23:14:48 69.97,-172.39 49.90 07/22/2021 23:14:56 69.99,-172.31 49.91 3.21 8
11 07/23/2021 00:04:22 -69.65, -5.20 130.40 07/23/2021 00:05:33 -69.63, -4.47 130.46 28.41 71
12 07/25/2021 14:41:50 -70.08, 136.00 129.45 07/25/2021 14:41:09 -70.10, 135.97 129.41 3.09 41
13 07/25/2021 15:31:17 69.96, -56.52 50.45 07/25/2021 15:31:53 69.99, -56.55 50.48 3.18 36

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/14/2021
SNOs_Map_LANDSAT-8_NPP_20210714.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/14/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP