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: 11/4/2023
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 11/06/2023 16:08:08 69.93, -65.92 85.86 11/06/2023 16:08:40 69.90, -65.92 85.83 3.23 32
2 11/06/2023 16:58:49 -69.78, 101.62 94.28 11/06/2023 16:58:10 -69.79, 101.56 94.27 2.69 39
3 11/09/2023 07:34:29 -70.36,-118.14 92.94 11/09/2023 07:35:40 -70.24,-117.21 93.06 37.24 71
4 11/09/2023 08:25:06 69.89, 49.91 86.60 11/09/2023 08:25:12 69.87, 49.90 86.58 2.31 6
5 11/09/2023 09:15:48 -69.79,-142.63 93.50 11/09/2023 09:14:42 -69.76,-142.62 93.53 3.04 66
6 11/11/2023 23:51:19 -69.96, -1.75 92.59 11/11/2023 23:52:15 -69.97, -1.73 92.58 1.72 56
7 11/12/2023 00:42:03 69.85, 165.72 87.31 11/12/2023 00:41:42 69.86, 165.77 87.32 2.32 21
8 11/12/2023 01:32:32 -69.06, -25.83 93.47 11/12/2023 01:31:23 -69.15, -27.55 93.39 69.26 69
9 11/14/2023 16:08:16 -69.88, 114.12 91.96 11/14/2023 16:08:47 -69.89, 114.04 91.95 3.48 31
10 11/14/2023 16:59:00 69.78, -78.41 87.95 11/14/2023 16:58:14 69.78, -78.47 87.96 2.15 46
11 11/17/2023 07:34:35 70.13, 62.18 88.97 11/17/2023 07:35:46 70.06, 62.52 88.89 15.34 71
12 11/17/2023 08:25:14 -69.86,-130.10 91.30 11/17/2023 08:25:18 -69.85,-130.14 91.31 2.07 4
13 11/17/2023 09:15:58 69.76, 37.36 88.61 11/17/2023 09:14:45 69.74, 37.35 88.59 2.99 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/4/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231104.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/04/2023 in txt file.

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