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: 12/21/2023
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 12/22/2023 14:41:13 70.14, -44.03 93.50 12/22/2023 14:42:14 70.14, -43.99 93.50 1.57 61
2 12/22/2023 15:31:55 -70.05, 123.43 86.60 12/22/2023 15:31:44 -70.03, 123.48 86.62 2.38 11
3 12/22/2023 16:22:29 69.41, -68.31 92.75 12/22/2023 16:21:19 69.49, -69.62 92.86 51.93 70
4 12/25/2023 06:58:07 70.12, 71.78 93.45 12/25/2023 06:58:43 70.12, 71.85 93.44 2.54 36
5 12/25/2023 07:48:49 -70.02,-120.75 86.66 12/25/2023 07:48:13 -70.01,-120.67 86.67 3.08 36
6 12/27/2023 22:24:27 -70.72, 19.28 86.01 12/27/2023 22:25:36 -70.65, 20.88 86.13 59.14 69
7 12/27/2023 23:14:59 70.04,-172.33 93.28 12/27/2023 23:15:11 70.05,-172.35 93.29 1.22 12
8 12/28/2023 00:05:41 -69.94, -4.86 86.83 12/28/2023 00:04:41 -69.94, -4.87 86.82 0.42 60
9 12/30/2023 14:41:09 -70.14, 135.99 86.77 12/30/2023 14:42:12 -70.12, 135.99 86.79 1.59 63
10 12/30/2023 15:31:53 70.04, -56.54 93.13 12/30/2023 15:31:39 70.01, -56.53 93.11 2.87 14
11 12/30/2023 16:22:26 -69.46, 111.63 87.47 12/30/2023 16:21:16 -69.52, 110.43 87.38 47.25 70
12 01/02/2024 06:58:02 -70.08,-108.15 87.02 01/02/2024 06:58:39 -70.10,-108.15 87.00 2.40 37
13 01/02/2024 07:48:46 69.98, 59.31 92.88 01/02/2024 07:48:06 69.99, 59.33 92.89 1.02 40

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231221.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/21/2023 in txt file.

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