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: 12/11/2023
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 12/11/2023 22:24:26 -70.56, 19.53 86.49 12/11/2023 22:25:37 -70.45, 20.59 86.62 41.22 71
2 12/11/2023 23:15:02 70.04,-172.33 92.98 12/11/2023 23:15:10 70.03,-172.38 92.96 2.31 8
3 12/12/2023 00:05:44 -69.94, -4.87 87.13 12/12/2023 00:04:40 -69.91, -4.91 87.15 3.09 64
4 12/14/2023 14:41:13 -70.13, 135.98 86.75 12/14/2023 14:42:14 -70.13, 135.99 86.76 0.53 61
5 12/14/2023 15:31:57 70.03, -56.55 93.15 12/14/2023 15:31:41 70.02, -56.52 93.15 1.26 16
6 12/14/2023 16:22:29 -69.40, 111.70 87.49 12/14/2023 16:21:19 -69.48, 110.37 87.40 52.77 70
7 12/17/2023 06:58:08 -70.12,-108.23 86.62 12/17/2023 06:58:45 -70.11,-108.16 86.64 2.99 37
8 12/17/2023 07:48:51 69.97, 59.31 93.23 12/17/2023 07:48:13 69.95, 59.25 93.21 3.27 38
9 12/19/2023 22:24:29 70.70,-160.69 94.05 12/19/2023 22:25:38 70.56,-159.26 93.89 54.81 69
10 12/19/2023 23:15:01 -70.07, 7.63 86.60 12/19/2023 23:15:15 -70.08, 7.67 86.59 1.87 14
11 12/20/2023 00:05:45 69.97, 175.09 93.30 12/20/2023 00:04:42 69.97, 175.15 93.30 2.48 63
12 12/22/2023 14:41:13 70.12, -44.00 93.48 12/22/2023 14:42:16 70.13, -44.02 93.48 0.83 63
13 12/22/2023 15:31:55 -70.01, 123.48 86.63 12/22/2023 15:31:46 -70.03, 123.47 86.62 1.36 9
14 12/22/2023 16:22:30 69.44, -68.36 92.78 12/22/2023 16:21:20 69.53, -69.58 92.89 48.30 70

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/11/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231211.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/11/2023 in txt file.

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