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: 11/15/2023
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 11/17/2023 07:34:31 69.96, 62.44 88.79 11/17/2023 07:35:40 69.98, 62.43 88.81 1.83 69
2 11/17/2023 08:25:13 -69.86,-130.09 91.30 11/17/2023 08:25:10 -69.86,-130.09 91.30 0.07 3
3 11/17/2023 09:15:52 69.49, 37.77 88.33 11/17/2023 09:14:40 69.59, 37.18 88.44 25.92 72
4 11/19/2023 23:51:27 69.91, 178.27 89.38 11/19/2023 23:52:08 69.89, 178.20 89.36 3.44 41
5 11/20/2023 00:42:09 -69.81, -14.26 90.72 11/20/2023 00:41:37 -69.84, -14.24 90.69 2.97 32
6 11/22/2023 15:17:51 -70.56, 125.72 89.38 11/22/2023 15:19:00 -70.44, 127.23 89.51 57.57 69
7 11/22/2023 16:08:24 69.88, -65.91 89.94 11/22/2023 16:08:35 69.89, -65.91 89.95 1.79 11
8 11/22/2023 16:59:06 -69.77, 101.56 90.16 11/22/2023 16:58:05 -69.78, 101.57 90.15 1.44 61
9 11/25/2023 07:34:37 -69.95,-117.57 89.45 11/25/2023 07:35:35 -69.97,-117.55 89.43 2.84 58
10 11/25/2023 08:25:21 69.85, 49.89 90.46 11/25/2023 08:25:02 69.86, 49.94 90.47 2.20 19
11 11/25/2023 09:15:52 -69.16,-141.79 90.23 11/25/2023 09:14:42 -69.20,-143.31 90.18 60.38 70
12 11/27/2023 23:51:34 -69.93, -1.77 88.97 11/27/2023 23:52:02 -69.91, -1.74 88.98 1.75 28
13 11/28/2023 00:42:17 69.77, 165.77 90.89 11/28/2023 00:41:29 69.80, 165.75 90.91 2.87 48

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/15/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231115.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/15/2023 in txt file.

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