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: 1/13/2023
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 01/15/2023 06:57:41 -70.12,-108.20 88.73 01/15/2023 06:58:48 -70.10,-108.17 88.76 2.85 67
2 01/15/2023 07:48:25 69.99, 59.31 91.14 01/15/2023 07:48:15 69.99, 59.32 91.13 0.58 10
3 01/15/2023 08:39:01 -69.60,-132.79 89.29 01/15/2023 08:37:49 -69.66,-133.50 89.19 28.50 72
4 01/17/2023 23:14:36 -70.08, 7.64 89.28 01/17/2023 23:15:15 -70.08, 7.68 89.29 1.68 39
5 01/18/2023 00:05:20 69.95, 175.14 90.59 01/18/2023 00:04:42 69.96, 175.17 90.60 1.48 38
6 01/20/2023 14:40:55 70.50, -44.56 90.62 01/20/2023 14:42:06 70.40, -43.60 90.47 37.59 71
7 01/20/2023 15:31:29 -69.99, 123.54 89.92 01/20/2023 15:31:41 -70.02, 123.49 89.90 3.34 12
8 01/20/2023 16:22:14 69.92, -69.04 90.00 01/20/2023 16:21:08 69.90, -69.03 89.99 2.45 66
9 01/23/2023 06:57:43 70.11, 71.83 89.61 01/23/2023 06:58:37 70.08, 71.84 89.58 2.70 54
10 01/23/2023 07:48:24 -69.97,-120.64 90.55 01/23/2023 07:48:07 -69.98,-120.67 90.53 1.70 17
11 01/23/2023 08:38:54 69.10, 47.92 88.54 01/23/2023 08:37:47 69.14, 45.85 88.67 82.28 67
12 01/25/2023 23:14:37 70.04,-172.30 88.90 01/25/2023 23:15:02 70.07,-172.28 88.92 2.97 25
13 01/26/2023 00:05:19 -69.95, -4.84 91.21 01/26/2023 00:04:32 -69.96, -4.80 91.19 2.41 47

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/13/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230113.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/13/2023 in txt file.

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