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: 1/25/2023
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 01/25/2023 23:14:36 70.04,-172.30 88.91 01/25/2023 23:15:16 70.05,-172.37 88.91 2.70 40
2 01/26/2023 00:05:18 -69.97, -4.87 91.19 01/26/2023 00:04:45 -69.99, -4.82 91.16 3.30 33
3 01/28/2023 14:41:01 -70.91, 134.79 90.86 01/28/2023 14:42:08 -70.83, 136.99 91.04 80.93 67
4 01/28/2023 15:31:31 70.05, -56.54 88.23 01/28/2023 15:31:47 70.07, -56.48 88.24 3.18 16
5 01/28/2023 16:22:12 -69.92, 110.98 91.93 01/28/2023 16:21:18 -69.90, 110.92 91.93 2.62 54
6 01/31/2023 06:57:41 -70.13,-108.19 92.40 01/31/2023 06:58:52 -70.10,-108.21 92.45 3.43 71
7 01/31/2023 07:48:25 70.01, 59.30 87.47 01/31/2023 07:48:19 70.00, 59.29 87.45 1.85 6
8 01/31/2023 08:39:04 -69.77,-133.02 92.81 01/31/2023 08:37:51 -69.78,-133.38 92.77 13.93 73
9 02/02/2023 23:14:35 -70.10, 7.63 93.20 02/02/2023 23:15:22 -70.10, 7.67 93.21 1.30 47
10 02/03/2023 00:05:19 69.98, 175.12 86.68 02/03/2023 00:04:49 69.99, 175.16 86.69 1.81 30
11 02/05/2023 14:41:02 71.01, -45.37 86.99 02/05/2023 14:42:08 70.88, -42.94 86.75 89.61 66
12 02/05/2023 15:31:28 -70.08, 123.45 94.02 02/05/2023 15:31:51 -70.06, 123.49 94.04 2.23 23
13 02/05/2023 16:22:12 69.96, -69.08 85.86 02/05/2023 16:21:18 69.95, -69.03 85.85 2.54 54

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/25/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230125.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/25/2023 in txt file.

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