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: 1/21/2023
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 01/23/2023 06:57:42 70.08, 71.87 89.58 01/23/2023 06:58:35 70.10, 71.87 89.60 2.58 53
2 01/23/2023 07:48:24 -70.00,-120.69 90.51 01/23/2023 07:48:05 -69.99,-120.65 90.53 2.03 19
3 01/23/2023 08:38:53 69.07, 47.96 88.52 01/23/2023 08:37:46 69.10, 45.80 88.64 85.75 67
4 01/25/2023 23:14:36 70.02,-172.27 88.88 01/25/2023 23:15:00 70.03,-172.32 88.89 2.41 24
5 01/26/2023 00:05:18 -69.94, -4.83 91.22 01/26/2023 00:04:30 -69.92, -4.85 91.23 2.19 48
6 01/28/2023 14:40:46 -70.10, 136.08 91.72 01/28/2023 14:41:57 -70.09, 136.01 91.73 2.69 71
7 01/28/2023 15:31:30 69.98, -56.43 88.15 01/28/2023 15:31:24 69.98, -56.50 88.15 2.91 6
8 01/28/2023 16:22:09 -69.73, 111.26 92.12 01/28/2023 16:20:56 -69.76, 110.83 92.07 16.74 73
9 01/31/2023 06:57:39 -70.06,-108.08 92.48 01/31/2023 06:58:19 -70.05,-108.14 92.50 2.60 40
10 01/31/2023 07:48:23 69.94, 59.40 87.39 01/31/2023 07:47:46 69.93, 59.34 87.39 2.81 37
11 02/02/2023 22:23:57 70.44,-160.22 87.18 02/02/2023 22:25:07 70.34,-159.44 87.04 30.88 70
12 02/02/2023 23:14:33 -70.03, 7.74 93.27 02/02/2023 23:14:41 -70.01, 7.72 93.29 2.00 8
13 02/03/2023 00:05:17 69.92, 175.22 86.61 02/03/2023 00:04:08 69.89, 175.20 86.59 2.81 69

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230121.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/21/2023 in txt file.

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