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: 2/17/2021
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 02/18/2021 06:58:28 -70.10,-108.19 98.34 02/18/2021 06:57:21 -70.12,-108.16 98.31 1.80 67
2 02/18/2021 07:47:55 70.01, 59.32 81.56 02/18/2021 07:48:05 70.00, 59.32 81.56 0.23 10
3 02/18/2021 08:37:30 -69.61,-133.59 98.82 02/18/2021 08:38:41 -69.60,-132.75 98.89 32.41 71
4 02/20/2021 23:14:57 -70.06, 7.63 99.34 02/20/2021 23:14:15 -70.07, 7.69 99.33 2.35 42
5 02/21/2021 00:04:24 69.96, 175.13 80.55 02/21/2021 00:04:59 69.95, 175.17 80.55 1.33 35
6 02/23/2021 14:41:47 70.61, -43.31 80.22 02/23/2021 14:40:37 70.64, -44.76 80.32 53.53 70
7 02/23/2021 15:31:25 -70.06, 123.52 100.32 02/23/2021 15:31:10 -70.07, 123.45 100.30 2.71 15
8 02/23/2021 16:20:53 69.90, -69.06 79.52 02/23/2021 16:21:53 69.91, -68.99 79.52 2.73 60
9 02/26/2021 06:58:24 70.12, 71.84 78.75 02/26/2021 06:57:22 70.12, 71.83 78.77 0.83 62
10 02/26/2021 07:47:54 -70.01,-120.68 101.37 02/26/2021 07:48:04 -70.03,-120.71 101.35 2.23 10
11 02/26/2021 08:37:30 69.40, 46.14 78.06 02/26/2021 08:38:39 69.44, 47.47 78.02 52.09 69
12 02/28/2021 23:14:52 70.06,-172.37 77.68 02/28/2021 23:14:15 70.08,-172.34 77.71 3.02 37
13 03/01/2021 00:04:21 -70.01, -4.80 102.39 03/01/2021 00:04:57 -69.98, -4.87 102.41 3.61 36

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 2/17/2021
SNOs_Map_LANDSAT-8_NPP_20210217.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 02/17/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP