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: 4/18/2021
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 04/20/2021 14:41:27 -70.53, 136.49 121.29 04/20/2021 14:40:16 -70.58, 135.41 121.21 40.44 71
2 04/20/2021 15:31:00 70.09, -56.49 58.28 04/20/2021 15:30:53 70.09, -56.51 58.28 1.10 7
3 04/20/2021 16:20:30 -69.98, 110.99 121.84 04/20/2021 16:21:35 -70.01, 110.93 121.82 3.28 65
4 04/23/2021 06:58:01 -70.19,-108.13 122.52 04/23/2021 06:57:02 -70.16,-108.16 122.54 2.82 59
5 04/23/2021 07:47:29 70.02, 59.28 57.31 04/23/2021 07:47:46 70.05, 59.33 57.33 3.23 17
6 04/23/2021 08:37:09 -69.36,-133.98 123.34 04/23/2021 08:38:17 -69.38,-132.37 123.37 63.14 68
7 04/25/2021 23:14:30 -70.11, 7.65 123.47 04/25/2021 23:13:55 -70.12, 7.69 123.46 1.75 35
8 04/26/2021 00:03:57 70.00, 175.13 56.41 04/26/2021 00:04:39 70.01, 175.17 56.41 1.64 42
9 04/28/2021 14:41:23 70.41, -43.68 55.98 04/28/2021 14:40:11 70.49, -44.43 56.08 29.45 72
10 04/28/2021 15:30:57 -70.09, 123.49 124.35 04/28/2021 15:30:47 -70.08, 123.53 124.36 1.70 10
11 04/28/2021 16:20:24 69.97, -69.03 55.53 04/28/2021 16:21:31 69.97, -69.00 55.52 1.13 67
12 05/01/2021 06:57:55 70.16, 71.84 54.91 05/01/2021 06:56:58 70.14, 71.89 54.90 2.97 57
13 05/01/2021 07:47:25 -70.06,-120.67 125.20 05/01/2021 07:47:40 -70.04,-120.64 125.22 2.38 15
14 05/01/2021 08:37:04 69.28, 45.91 54.04 05/01/2021 08:38:11 69.24, 47.84 53.96 75.99 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/18/2021
SNOs_Map_LANDSAT-8_NPP_20210418.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/18/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP