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: 9/23/2021
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 09/24/2021 22:25:45 -70.11, 20.12 109.17 09/24/2021 22:24:45 -70.09, 20.15 109.18 2.08 60
2 09/24/2021 23:15:12 70.01,-172.38 70.75 09/24/2021 23:15:29 69.98,-172.37 70.73 2.86 17
3 09/25/2021 00:04:52 -69.34, -5.66 109.89 09/25/2021 00:06:01 -69.36, -4.13 109.89 59.76 69
4 09/27/2021 14:42:15 -70.06, 135.93 108.17 09/27/2021 14:41:41 -70.09, 135.93 108.14 3.14 34
5 09/27/2021 15:31:42 69.96, -56.57 71.75 09/27/2021 15:32:25 69.98, -56.60 71.77 2.85 43
6 09/30/2021 06:09:10 70.34, 84.58 73.14 09/30/2021 06:07:58 70.40, 83.90 73.21 26.47 72
7 09/30/2021 06:58:44 -70.01,-108.26 107.18 09/30/2021 06:58:35 -70.04,-108.22 107.16 3.32 9
8 09/30/2021 07:48:11 69.90, 59.24 72.73 09/30/2021 07:49:19 69.93, 59.25 72.76 3.16 68
9 10/02/2021 22:25:43 70.11,-159.86 73.95 10/02/2021 22:24:48 70.09,-159.85 73.93 2.71 55
10 10/02/2021 23:15:13 -70.01, 7.62 106.15 10/02/2021 23:15:30 -69.98, 7.63 106.17 2.57 17
11 10/03/2021 00:04:54 69.12, 174.07 72.99 10/03/2021 00:06:00 69.14, 176.17 73.00 83.32 66
12 10/05/2021 14:42:13 70.05, -44.07 74.91 10/05/2021 14:41:43 70.05, -44.00 74.91 2.67 30
13 10/05/2021 15:31:43 -69.94, 123.41 105.18 10/05/2021 15:32:25 -69.94, 123.48 105.19 2.65 42

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/23/2021
SNOs_Map_LANDSAT-8_NPP_20210923.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/23/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP