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: 1/18/2023
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 01/20/2023 14:40:55 70.50, -44.57 90.63 01/20/2023 14:42:05 70.40, -43.59 90.48 38.20 70
2 01/20/2023 15:31:29 -70.00, 123.53 89.91 01/20/2023 15:31:40 -70.02, 123.49 89.90 2.06 11
3 01/20/2023 16:22:14 69.93, -69.05 90.01 01/20/2023 16:21:07 69.91, -69.02 89.99 2.59 67
4 01/23/2023 06:57:43 70.12, 71.81 89.62 01/23/2023 06:58:35 70.10, 71.87 89.59 3.17 52
5 01/23/2023 07:48:24 -69.98,-120.67 90.53 01/23/2023 07:48:05 -69.99,-120.65 90.53 0.64 19
6 01/23/2023 08:38:53 69.06, 47.98 88.50 01/23/2023 08:37:46 69.10, 45.80 88.63 86.76 67
7 01/25/2023 23:14:37 70.06,-172.32 88.92 01/25/2023 23:14:59 70.07,-172.26 88.93 2.78 22
8 01/26/2023 00:05:18 -69.92, -4.80 91.24 01/26/2023 00:04:30 -69.91, -4.86 91.24 2.72 48
9 01/28/2023 14:40:46 -70.13, 136.04 91.69 01/28/2023 14:41:55 -70.12, 136.06 91.71 1.04 69
10 01/28/2023 15:31:30 70.01, -56.47 88.19 01/28/2023 15:31:22 70.00, -56.46 88.18 0.99 8
11 01/28/2023 16:22:07 -69.66, 111.37 92.20 01/28/2023 16:20:55 -69.73, 110.79 92.09 23.68 72
12 01/31/2023 06:57:40 -70.08,-108.12 92.46 01/31/2023 06:58:18 -70.06,-108.12 92.49 2.87 38
13 01/31/2023 07:48:24 69.97, 59.36 87.42 01/31/2023 07:47:44 69.99, 59.43 87.44 3.61 40

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/18/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230118.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/18/2023 in txt file.

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