Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/7/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/08/2023 14:52:44 -70.16, 132.89 117.14 04/08/2023 14:53:54 -70.14, 132.86 117.17 2.56 70
2 04/08/2023 15:43:28 70.05, -59.63 62.73 04/08/2023 15:43:21 70.04, -59.64 62.72 1.29 7
3 04/08/2023 16:34:06 -69.75, 108.14 117.60 04/08/2023 16:32:53 -69.81, 107.68 117.52 18.93 73
4 04/11/2023 07:09:34 -70.12,-111.26 118.19 04/11/2023 07:10:19 -70.13,-111.27 118.19 1.12 45
5 04/11/2023 08:00:18 70.01, 56.22 61.69 04/11/2023 07:59:46 70.02, 56.22 61.70 1.31 32
6 04/13/2023 22:35:56 70.91,-164.06 61.68 04/13/2023 22:37:03 70.79,-162.03 61.50 75.03 67
7 04/13/2023 23:26:24 -70.08, 4.58 119.21 04/13/2023 23:26:44 -70.08, 4.55 119.21 1.20 20
8 04/14/2023 00:17:08 69.97, 172.05 60.67 04/14/2023 00:16:11 69.97, 172.04 60.67 1.04 57
9 04/16/2023 14:52:31 70.15, -47.06 59.92 04/16/2023 14:53:37 70.16, -47.06 59.92 1.11 66
10 04/16/2023 15:43:13 -70.06, 120.40 120.19 04/16/2023 15:43:07 -70.05, 120.41 120.20 0.76 6
11 04/16/2023 16:33:50 69.58, -71.58 59.31 04/16/2023 16:32:39 69.66, -72.48 59.42 36.09 71
12 04/19/2023 07:09:20 70.09, 68.82 58.91 04/19/2023 07:10:01 70.11, 68.75 58.93 3.28 41
13 04/19/2023 08:00:02 -69.99,-123.71 121.20 04/19/2023 07:59:31 -70.00,-123.77 121.19 2.13 31

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/7/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230407.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/07/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8