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: 8/14/2021
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 08/15/2021 22:25:34 70.11,-159.87 56.33 08/15/2021 22:24:29 70.13,-159.89 56.36 2.90 65
2 08/15/2021 23:15:04 -70.00, 7.61 123.77 08/15/2021 23:15:10 -70.00, 7.64 123.77 0.92 6
3 08/16/2021 00:04:38 69.51, 174.58 55.77 08/16/2021 00:05:48 69.56, 175.61 55.78 40.30 70
4 08/18/2021 14:42:04 70.10, -44.00 57.17 08/18/2021 14:41:25 70.10, -44.06 57.18 2.46 39
5 08/18/2021 15:31:35 -69.94, 123.41 122.98 08/18/2021 15:32:06 -69.96, 123.46 122.96 3.01 31
6 08/21/2021 06:08:57 -70.75, -94.81 121.35 08/21/2021 06:07:48 -70.76, -96.65 121.27 67.57 69
7 08/21/2021 06:58:35 70.03, 71.79 57.98 08/21/2021 06:58:20 70.01, 71.84 57.96 2.97 15
8 08/21/2021 07:48:05 -69.93,-120.72 122.11 08/21/2021 07:49:02 -69.92,-120.71 122.12 1.05 57
9 08/23/2021 22:25:38 -70.13, 20.16 121.04 08/23/2021 22:24:33 -70.15, 20.09 121.01 3.38 65
10 08/23/2021 23:15:05 70.02,-172.36 58.87 08/23/2021 23:15:17 70.04,-172.43 58.89 3.41 12
11 08/24/2021 00:04:41 -69.59, -5.32 121.54 08/24/2021 00:05:52 -69.57, -4.42 121.59 34.67 71
12 08/26/2021 14:42:08 -70.06, 135.94 120.19 08/26/2021 14:41:27 -70.06, 135.98 120.18 1.68 41
13 08/26/2021 15:31:35 69.94, -56.58 59.71 08/26/2021 15:32:11 69.95, -56.54 59.72 1.95 36

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 8/14/2021
SNOs_Map_LANDSAT-8_NPP_20210814.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 08/14/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP