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: 9/7/2021
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 09/08/2021 22:25:42 -70.13, 20.15 115.29 09/08/2021 22:24:39 -70.11, 20.14 115.30 2.87 63
2 09/08/2021 23:15:10 69.98,-172.43 64.58 09/08/2021 23:15:23 69.99,-172.38 64.59 2.54 13
3 09/09/2021 00:04:47 -69.48, -5.47 115.90 09/09/2021 00:05:57 -69.48, -4.30 115.93 45.77 70
4 09/11/2021 14:42:13 -70.06, 135.93 114.34 09/11/2021 14:41:35 -70.09, 135.94 114.31 2.77 38
5 09/11/2021 15:31:40 69.96, -56.57 65.57 09/11/2021 15:32:19 69.97, -56.58 65.59 2.02 39
6 09/14/2021 06:09:07 70.48, 84.78 67.08 09/14/2021 06:07:56 70.54, 83.69 67.16 41.18 71
7 09/14/2021 06:58:43 -70.04,-108.22 113.34 09/14/2021 06:58:30 -70.02,-108.18 113.37 3.07 13
8 09/14/2021 07:48:10 69.93, 59.27 66.57 09/14/2021 07:49:14 69.91, 59.29 66.54 2.89 64
9 09/16/2021 22:25:42 70.12,-159.86 67.75 09/16/2021 22:24:43 70.10,-159.86 67.74 1.85 59
10 09/16/2021 23:15:12 -70.02, 7.63 112.34 09/16/2021 23:15:25 -70.00, 7.61 112.36 1.82 13
11 09/17/2021 00:04:50 69.30, 174.29 66.97 09/17/2021 00:05:58 69.31, 175.93 66.96 64.53 68
12 09/19/2021 14:42:12 70.09, -44.03 68.75 09/19/2021 14:41:39 70.09, -44.08 68.76 2.03 33
13 09/19/2021 15:31:42 -69.98, 123.46 111.34 09/19/2021 15:32:21 -69.99, 123.40 111.34 2.32 39

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/7/2021
SNOs_Map_LANDSAT-8_NPP_20210907.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/07/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP