Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/22/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 01/23/2023 22:36:50 70.70,-163.73 90.08 01/23/2023 22:37:59 70.61,-162.31 89.93 53.43 69
2 01/23/2023 23:27:22 -70.08, 4.55 90.58 01/23/2023 23:27:37 -70.07, 4.53 90.60 2.02 15
3 01/24/2023 00:18:06 69.97, 172.04 89.29 01/24/2023 00:17:04 69.96, 172.03 89.29 0.97 62
4 01/26/2023 14:53:33 70.16, -47.11 88.86 01/26/2023 14:54:37 70.18, -47.07 88.86 2.28 64
5 01/26/2023 15:44:15 -70.07, 120.35 91.25 01/26/2023 15:44:07 -70.07, 120.41 91.25 2.34 8
6 01/26/2023 16:34:51 69.53, -71.55 88.18 01/26/2023 16:33:40 69.63, -72.56 88.33 40.75 71
7 01/29/2023 07:10:25 70.10, 68.75 88.11 01/29/2023 07:11:07 70.14, 68.74 88.13 3.51 42
8 01/29/2023 08:01:07 -70.01,-123.79 92.00 01/29/2023 08:00:37 -70.03,-123.77 91.98 2.68 30
9 01/31/2023 22:36:49 -71.06, 15.68 91.60 01/31/2023 22:37:55 -70.93, 18.16 91.84 90.95 66
10 01/31/2023 23:27:17 70.12,-175.49 87.39 01/31/2023 23:27:35 70.11,-175.42 87.38 3.03 18
11 02/01/2023 00:17:58 -69.97, -7.95 92.78 02/01/2023 00:17:06 -69.95, -8.00 92.78 2.38 52
12 02/03/2023 14:53:25 -70.19, 132.86 93.30 02/03/2023 14:54:37 -70.16, 132.89 93.34 3.35 72
13 02/03/2023 15:44:08 70.03, -59.59 86.53 02/03/2023 15:44:04 70.04, -59.63 86.54 1.80 4
14 02/03/2023 16:34:48 -69.83, 108.03 93.70 02/03/2023 16:33:35 -69.89, 107.79 93.62 11.50 73

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/22/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230122.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/22/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8