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: 5/18/2021
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 05/19/2021 22:24:49 -70.99, 21.43 129.08 05/19/2021 22:23:42 -71.03, 18.85 128.98 93.32 67
2 05/19/2021 23:14:31 70.07,-172.30 50.01 05/19/2021 23:14:10 70.08,-172.31 50.03 1.54 21
3 05/20/2021 00:04:01 -69.96, -4.82 130.11 05/20/2021 00:04:51 -69.93, -4.77 130.13 3.27 50
4 05/22/2021 14:41:35 -70.15, 136.06 130.44 05/22/2021 14:40:22 -70.13, 136.08 130.46 3.22 73
5 05/22/2021 15:31:02 70.05, -56.45 49.46 05/22/2021 15:31:07 70.07, -56.53 49.48 3.74 5
6 05/22/2021 16:20:34 -69.83, 110.88 130.76 05/22/2021 16:21:46 -69.81, 111.18 130.80 11.53 72
7 05/25/2021 06:58:05 -70.14,-108.09 130.95 05/25/2021 06:57:18 -70.11,-108.14 130.97 3.06 47
8 05/25/2021 07:47:32 70.03, 59.40 48.94 05/25/2021 07:48:02 70.01, 59.33 48.92 3.49 30
9 05/27/2021 22:24:54 70.87,-158.75 49.33 05/27/2021 22:23:46 70.89,-160.94 49.40 79.78 68
10 05/27/2021 23:14:37 -70.06, 7.67 131.48 05/27/2021 23:14:14 -70.05, 7.72 131.48 1.83 23
11 05/28/2021 00:04:04 69.95, 175.16 48.41 05/28/2021 00:04:58 69.95, 175.18 48.41 0.83 54
12 05/30/2021 14:41:38 70.13, -43.98 48.19 05/30/2021 14:40:29 70.15, -43.99 48.23 2.71 69
13 05/30/2021 15:31:08 -70.03, 123.51 131.91 05/30/2021 15:31:11 -70.04, 123.49 131.90 1.89 3
14 05/30/2021 16:20:39 69.70, -69.31 47.76 05/30/2021 16:21:50 69.68, -68.65 47.73 25.40 71

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/18/2021
SNOs_Map_LANDSAT-8_NPP_20210518.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/18/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP