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: 5/15/2021
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 05/17/2021 06:58:00 70.08, 71.84 50.60 05/17/2021 06:57:13 70.10, 71.90 50.63 3.31 47
2 05/17/2021 07:47:29 -70.02,-120.61 129.47 05/17/2021 07:47:55 -70.00,-120.64 129.48 2.20 26
3 05/19/2021 22:24:49 -70.99, 21.43 129.08 05/19/2021 22:23:42 -71.03, 18.85 128.98 93.42 67
4 05/19/2021 23:14:31 70.06,-172.30 50.01 05/19/2021 23:14:10 70.08,-172.32 50.03 2.26 21
5 05/20/2021 00:04:01 -69.96, -4.82 130.11 05/20/2021 00:04:51 -69.93, -4.77 130.13 3.16 50
6 05/22/2021 14:41:35 -70.16, 136.06 130.44 05/22/2021 14:40:22 -70.13, 136.07 130.46 2.94 73
7 05/22/2021 15:31:02 70.05, -56.45 49.46 05/22/2021 15:31:06 70.02, -56.46 49.43 2.88 4
8 05/22/2021 16:20:34 -69.83, 110.88 130.76 05/22/2021 16:21:46 -69.82, 111.17 130.79 11.29 72
9 05/25/2021 06:58:05 -70.14,-108.09 130.95 05/25/2021 06:57:18 -70.12,-108.15 130.96 2.90 47
10 05/25/2021 07:47:33 69.97, 59.32 48.89 05/25/2021 07:48:01 69.96, 59.40 48.88 3.15 28
11 05/27/2021 22:24:54 70.87,-158.75 49.33 05/27/2021 22:23:46 70.90,-160.96 49.42 80.40 68
12 05/27/2021 23:14:37 -70.06, 7.67 131.48 05/27/2021 23:14:14 -70.06, 7.71 131.47 1.20 23
13 05/28/2021 00:04:04 69.94, 175.16 48.41 05/28/2021 00:04:58 69.96, 175.17 48.42 1.68 54

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/15/2021
SNOs_Map_LANDSAT-8_NPP_20210516.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/15/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP