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 50.62 3.13 47
2 05/17/2021 07:47:29 -70.02,-120.61 129.46 05/17/2021 07:47:55 -70.00,-120.64 129.49 2.78 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 93.37 67
4 05/19/2021 23:14:31 70.07,-172.30 50.01 05/19/2021 23:14:10 70.08,-172.31 50.03 1.87 21
5 05/20/2021 00:04:01 -69.96, -4.82 130.10 05/20/2021 00:04:52 -69.98, -4.85 130.08 2.86 51
6 05/22/2021 14:41:35 -70.16, 136.06 130.43 05/22/2021 14:40:23 -70.18, 136.00 130.41 3.23 72
7 05/22/2021 15:31:02 70.05, -56.45 49.46 05/22/2021 15:31:06 70.02, -56.45 49.43 3.41 4
8 05/22/2021 16:20:34 -69.84, 110.89 130.76 05/22/2021 16:21:46 -69.81, 111.18 130.80 11.57 72
9 05/25/2021 06:58:06 -70.08,-108.17 131.00 05/25/2021 06:57:18 -70.11,-108.14 130.97 3.28 48
10 05/25/2021 07:47:32 70.03, 59.40 48.94 05/25/2021 07:48:02 70.01, 59.33 48.92 3.36 30
11 05/27/2021 22:24:54 70.87,-158.75 49.33 05/27/2021 22:23:46 70.90,-160.95 49.41 79.96 68
12 05/27/2021 23:14:37 -70.06, 7.68 131.48 05/27/2021 23:14:14 -70.05, 7.72 131.48 1.85 23
13 05/28/2021 00:04:04 69.95, 175.16 48.41 05/28/2021 00:04:58 69.95, 175.18 48.41 0.89 54

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/15/2021
SNOs_Map_LANDSAT-8_NPP_20210515.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