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: 3/19/2023
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 03/20/2023 06:58:04 -70.09,-108.18 109.69 03/20/2023 06:58:32 -70.09,-108.23 109.69 2.10 28
2 03/20/2023 07:48:48 69.98, 59.30 70.19 03/20/2023 07:47:59 69.99, 59.26 70.20 1.61 49
3 03/22/2023 22:24:18 70.18,-159.86 69.36 03/22/2023 22:25:30 70.16,-159.89 69.33 2.42 72
4 03/22/2023 23:15:00 -70.08, 7.61 110.77 03/22/2023 23:15:00 -70.05, 7.59 110.79 3.25 0
5 03/23/2023 00:05:41 69.81, 175.32 68.95 03/23/2023 00:04:28 69.89, 175.00 69.04 14.59 73
6 03/25/2023 14:41:13 70.13, -44.01 68.24 03/25/2023 14:41:57 70.13, -44.05 68.24 1.44 44
7 03/25/2023 15:31:55 -70.03, 123.47 111.88 03/25/2023 15:31:27 -70.02, 123.44 111.88 1.14 28
8 03/28/2023 06:07:38 -70.92, -96.81 111.97 03/28/2023 06:08:46 -70.78, -94.85 112.19 73.34 68
9 03/28/2023 06:58:09 70.14, 71.75 67.20 03/28/2023 06:58:23 70.12, 71.82 67.17 3.59 14
10 03/28/2023 07:48:50 -69.98,-120.69 112.99 03/28/2023 07:47:53 -70.01,-120.69 112.95 3.69 57
11 03/30/2023 22:24:19 -70.20, 20.12 113.78 03/30/2023 22:25:21 -70.18, 20.16 113.81 2.64 62
12 03/30/2023 23:15:02 70.05,-172.34 66.06 03/30/2023 23:14:48 70.07,-172.36 66.07 1.80 14
13 03/31/2023 00:05:36 -69.52, -4.24 114.51 03/31/2023 00:04:25 -69.58, -5.40 114.41 45.67 71

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/19/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230319.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/19/2023 in txt file.

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