Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/11/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 11/11/2023 23:51:18 -69.94, -1.72 92.62 11/11/2023 23:52:12 -69.94, -1.76 92.62 1.56 54
2 11/12/2023 00:42:02 69.82, 165.76 87.28 11/12/2023 00:41:39 69.83, 165.74 87.29 1.63 23
3 11/12/2023 01:32:30 -68.98, -25.72 93.55 11/12/2023 01:31:22 -69.00, -27.73 93.53 80.06 68
4 11/14/2023 15:17:51 70.92, -54.83 89.08 11/14/2023 15:18:57 70.79, -52.25 88.96 95.11 66
5 11/14/2023 16:08:16 -69.92, 114.06 91.92 11/14/2023 16:08:41 -69.91, 114.09 91.93 1.62 25
6 11/14/2023 16:59:00 69.81, -78.47 87.99 11/14/2023 16:58:08 69.81, -78.41 87.98 2.25 52
7 11/17/2023 07:34:31 69.97, 62.43 88.81 11/17/2023 07:35:40 69.96, 62.41 88.79 1.41 69
8 11/17/2023 08:25:13 -69.87,-130.10 91.29 11/17/2023 08:25:10 -69.85,-130.11 91.31 1.94 3
9 11/17/2023 09:15:52 69.50, 37.75 88.35 11/17/2023 09:14:40 69.58, 37.16 88.42 24.79 72
10 11/19/2023 23:51:27 69.93, 178.24 89.40 11/19/2023 23:52:07 69.91, 178.23 89.38 2.51 40
11 11/20/2023 00:42:09 -69.83, -14.28 90.70 11/20/2023 00:41:37 -69.81, -14.28 90.73 2.52 32
12 11/22/2023 15:17:50 -70.53, 125.77 89.41 11/22/2023 15:18:59 -70.43, 127.22 89.52 55.37 69
13 11/22/2023 16:08:23 69.85, -65.88 89.92 11/22/2023 16:08:34 69.88, -65.92 89.94 3.21 11
14 11/22/2023 16:59:06 -69.80, 101.52 90.14 11/22/2023 16:58:04 -69.77, 101.57 90.16 3.20 62

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/11/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231111.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/11/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9