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: 12/22/2023
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 12/23/2023 07:09:41 -70.85,-112.69 85.76 12/23/2023 07:10:48 -70.72,-110.37 85.94 86.15 67
2 12/23/2023 08:00:09 69.90, 56.12 93.26 12/23/2023 08:00:28 69.90, 56.08 93.26 1.73 19
3 12/23/2023 08:50:51 -69.81,-136.43 86.84 12/23/2023 08:49:58 -69.79,-136.44 86.85 1.71 53
4 12/25/2023 23:26:20 -70.01, 4.42 86.68 12/25/2023 23:27:30 -69.98, 4.43 86.72 3.29 70
5 12/26/2023 00:17:04 69.89, 171.90 93.21 12/26/2023 00:16:57 69.87, 171.92 93.18 2.74 7
6 12/26/2023 01:07:42 -69.59, -20.33 87.11 12/26/2023 01:06:29 -69.65, -20.75 87.04 17.40 73
7 12/28/2023 15:43:14 -69.96, 120.27 86.83 12/28/2023 15:43:58 -69.97, 120.30 86.83 1.60 44
8 12/28/2023 16:33:58 69.85, -72.26 93.06 12/28/2023 16:33:25 69.86, -72.21 93.07 1.88 33
9 12/31/2023 07:09:37 70.65, 67.64 93.74 12/31/2023 07:10:45 70.58, 69.44 93.62 66.67 68
10 12/31/2023 08:00:07 -69.92,-123.90 87.02 12/31/2023 08:00:25 -69.93,-123.87 87.02 1.24 18
11 12/31/2023 08:50:51 69.81, 43.57 92.87 12/31/2023 08:49:52 69.81, 43.61 92.87 1.48 59
12 01/02/2024 23:26:19 69.99,-175.55 92.85 01/02/2024 23:27:22 70.01,-175.50 92.85 2.41 63
13 01/03/2024 00:17:00 -69.85, -8.01 87.31 01/03/2024 00:16:53 -69.85, -8.09 87.31 3.11 7
14 01/03/2024 01:07:37 69.36, 160.00 92.19 01/03/2024 01:06:26 69.40, 158.94 92.26 41.65 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 12/22/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231222.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 12/22/2023 in txt file.

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