Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/17/2021
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 07/18/2021 21:59:18 71.02,-155.01 50.22 07/18/2021 22:00:24 70.93,-152.46 50.02 93.02 66
2 07/18/2021 22:49:43 -70.03, 13.89 130.82 07/18/2021 22:50:08 -70.05, 13.87 130.81 1.78 25
3 07/18/2021 23:40:27 69.92,-178.63 49.07 07/18/2021 23:39:35 69.95,-178.63 49.10 3.24 52
4 07/21/2021 14:15:56 70.16, -37.86 49.82 07/21/2021 14:17:08 70.14, -37.75 49.78 5.03 72
5 07/21/2021 15:06:37 -70.02, 129.68 130.33 07/21/2021 15:06:38 -70.03, 129.73 130.32 2.75 1
6 07/21/2021 15:57:19 69.80, -62.69 49.45 07/21/2021 15:56:07 69.82, -62.93 49.49 9.48 72
7 07/24/2021 06:32:49 70.05, 78.08 50.25 07/24/2021 06:33:40 70.07, 78.02 50.25 2.95 51
8 07/24/2021 07:23:31 -69.95,-114.46 129.85 07/24/2021 07:23:10 -69.96,-114.49 129.84 1.60 21
9 07/24/2021 08:13:58 68.94, 54.31 49.10 07/24/2021 08:12:52 69.02, 51.89 49.29 97.06 66
10 07/26/2021 22:49:44 70.04,-166.14 50.82 07/26/2021 22:50:11 70.04,-166.14 50.82 0.13 27
11 07/26/2021 23:40:26 -69.94, 1.33 129.27 07/26/2021 23:39:41 -69.94, 1.36 129.27 1.25 45
12 07/29/2021 14:16:00 -70.40, 141.76 128.18 07/29/2021 14:17:12 -70.30, 142.46 128.33 28.89 72
13 07/29/2021 15:06:39 70.04, -50.36 51.44 07/29/2021 15:06:42 70.02, -50.29 51.42 3.28 3
14 07/29/2021 15:57:20 -69.88, 117.19 128.71 07/29/2021 15:56:13 -69.87, 117.13 128.72 2.96 67

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/17/2021
SNOs_Map_NOAA-20_LANDSAT-8_20210717.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/17/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8