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: 5/8/2023
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 05/09/2023 07:34:35 70.05, 62.52 52.66 05/09/2023 07:35:08 70.08, 62.46 52.68 3.32 33
2 05/09/2023 08:25:17 -69.97,-130.04 127.43 05/09/2023 08:24:38 -69.96,-130.07 127.45 1.96 39
3 05/11/2023 23:00:54 -70.52, 10.25 127.55 05/11/2023 23:02:05 -70.42, 11.19 127.68 36.56 71
4 05/11/2023 23:51:31 70.03, 178.32 51.94 05/11/2023 23:51:37 70.04, 178.29 51.95 2.08 6
5 05/12/2023 00:42:13 -69.95, -14.23 128.16 05/12/2023 00:41:07 -69.93, -14.23 128.17 1.57 66
6 05/14/2023 15:17:42 -70.13, 126.62 128.61 05/14/2023 15:18:37 -70.14, 126.66 128.61 1.77 55
7 05/14/2023 16:08:26 70.01, -65.89 51.26 05/14/2023 16:08:04 70.03, -65.85 51.28 2.70 22
8 05/14/2023 16:58:54 -69.19, 102.63 129.60 05/14/2023 16:57:46 -69.26, 100.74 129.48 75.11 68
9 05/17/2023 07:34:37 -70.07,-117.53 129.30 05/17/2023 07:35:05 -70.10,-117.52 129.28 3.06 28
10 05/17/2023 08:25:21 69.95, 49.96 50.57 05/17/2023 08:24:33 69.93, 49.89 50.56 3.56 48
11 05/19/2023 23:00:51 70.17,-169.23 50.22 05/19/2023 23:02:02 70.18,-169.15 50.23 3.49 71
12 05/19/2023 23:51:32 -70.02, -1.69 129.94 05/19/2023 23:51:33 -70.03, -1.74 129.94 2.19 1
13 05/20/2023 00:42:14 69.80, 165.95 49.83 05/20/2023 00:41:01 69.85, 165.66 49.90 12.60 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/8/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230508.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/08/2023 in txt file.

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