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: 1/14/2023
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 01/15/2023 06:57:41 -70.12,-108.19 88.73 01/15/2023 06:58:48 -70.10,-108.17 88.76 2.41 67
2 01/15/2023 07:48:25 69.99, 59.31 91.13 01/15/2023 07:48:15 69.99, 59.32 91.13 0.54 10
3 01/15/2023 08:39:01 -69.60,-132.78 89.29 01/15/2023 08:37:49 -69.66,-133.50 89.19 28.73 72
4 01/17/2023 23:14:35 -70.08, 7.64 89.28 01/17/2023 23:15:14 -70.07, 7.67 89.30 1.66 39
5 01/18/2023 00:05:19 69.95, 175.14 90.58 01/18/2023 00:04:41 69.96, 175.16 90.59 1.07 38
6 01/20/2023 14:40:55 70.50, -44.56 90.62 01/20/2023 14:42:06 70.38, -43.62 90.46 37.43 71
7 01/20/2023 15:31:29 -69.99, 123.54 89.92 01/20/2023 15:31:41 -70.00, 123.47 89.92 2.90 12
8 01/20/2023 16:22:14 69.92, -69.04 90.00 01/20/2023 16:21:07 69.94, -68.97 90.03 3.55 67
9 01/23/2023 06:57:43 70.11, 71.82 89.62 01/23/2023 06:58:36 70.11, 71.89 89.61 2.50 53
10 01/23/2023 07:48:24 -69.97,-120.65 90.54 01/23/2023 07:48:07 -69.95,-120.70 90.56 3.00 17
11 01/23/2023 08:38:54 69.11, 47.91 88.55 01/23/2023 08:37:46 69.17, 45.89 88.70 80.67 68
12 01/25/2023 23:14:37 70.05,-172.31 88.91 01/25/2023 23:15:02 70.03,-172.34 88.88 2.66 25
13 01/26/2023 00:05:18 -69.91, -4.78 91.25 01/26/2023 00:04:32 -69.92, -4.85 91.23 3.41 46

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/14/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230114.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/14/2023 in txt file.

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