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: 1/17/2023
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 01/17/2023 23:14:35 -70.04, 7.71 89.33 01/17/2023 23:15:15 -70.05, 7.65 89.32 2.91 40
2 01/18/2023 00:05:20 69.96, 175.13 90.59 01/18/2023 00:04:42 69.94, 175.14 90.58 1.54 38
3 01/20/2023 14:40:55 70.51, -44.58 90.63 01/20/2023 14:42:05 70.40, -43.58 90.48 38.62 70
4 01/20/2023 15:31:29 -70.01, 123.52 89.91 01/20/2023 15:31:40 -70.02, 123.49 89.90 1.70 11
5 01/20/2023 16:22:14 69.93, -69.06 90.01 01/20/2023 16:21:07 69.91, -69.02 89.99 3.13 67
6 01/23/2023 06:57:42 70.07, 71.88 89.58 01/23/2023 06:58:35 70.11, 71.88 89.60 3.69 53
7 01/23/2023 07:48:24 -69.99,-120.68 90.52 01/23/2023 07:48:05 -70.00,-120.64 90.52 1.55 19
8 01/23/2023 08:38:53 69.07, 47.97 88.51 01/23/2023 08:37:46 69.11, 45.81 88.64 85.92 67
9 01/25/2023 23:14:36 70.02,-172.26 88.88 01/25/2023 23:15:00 70.04,-172.32 88.89 3.11 24
10 01/26/2023 00:05:18 -69.93, -4.81 91.23 01/26/2023 00:04:30 -69.93, -4.83 91.22 0.82 48
11 01/28/2023 14:40:46 -70.09, 136.10 91.73 01/28/2023 14:41:57 -70.10, 136.03 91.73 2.92 71
12 01/28/2023 15:31:30 69.97, -56.42 88.15 01/28/2023 15:31:24 69.98, -56.49 88.16 3.06 6
13 01/28/2023 16:22:09 -69.72, 111.27 92.13 01/28/2023 16:20:56 -69.76, 110.84 92.06 17.18 73

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/17/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230117.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/17/2023 in txt file.

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