Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/18/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 12/19/2023 22:24:28 70.65,-160.62 94.01 12/19/2023 22:25:37 70.57,-159.24 93.90 51.47 69
2 12/19/2023 23:15:01 -70.08, 7.60 86.59 12/19/2023 23:15:14 -70.08, 7.67 86.59 2.50 13
3 12/20/2023 00:05:44 69.92, 175.16 93.26 12/20/2023 00:04:42 69.92, 175.09 93.26 2.48 62
4 12/22/2023 14:41:13 70.14, -44.04 93.51 12/22/2023 14:42:14 70.15, -43.99 93.50 1.71 61
5 12/22/2023 15:31:55 -70.04, 123.44 86.60 12/22/2023 15:31:44 -70.04, 123.49 86.61 2.14 11
6 12/22/2023 16:22:29 69.41, -68.32 92.75 12/22/2023 16:21:19 69.49, -69.62 92.86 51.74 70
7 12/25/2023 06:58:06 70.06, 71.86 93.39 12/25/2023 06:58:44 70.07, 71.78 93.39 3.05 38
8 12/25/2023 07:48:48 -69.96,-120.67 86.72 12/25/2023 07:48:14 -69.96,-120.73 86.72 2.63 34
9 12/27/2023 22:24:28 -70.77, 19.20 85.96 12/27/2023 22:25:36 -70.67, 20.91 86.11 63.63 68
10 12/27/2023 23:15:00 70.05,-172.34 93.29 12/27/2023 23:15:12 70.07,-172.33 93.31 2.59 12
11 12/28/2023 00:05:42 -69.94, -4.86 86.83 12/28/2023 00:04:42 -69.97, -4.85 86.80 2.72 60
12 12/30/2023 14:41:09 -70.13, 136.00 86.77 12/30/2023 14:42:12 -70.15, 136.03 86.76 2.50 63
13 12/30/2023 15:31:53 70.04, -56.55 93.13 12/30/2023 15:31:39 70.04, -56.49 93.13 2.21 14
14 12/30/2023 16:22:27 -69.51, 111.56 87.42 12/30/2023 16:21:16 -69.55, 110.47 87.35 42.44 71

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/18/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231218.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/18/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9