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: 5/9/2023
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 70.06, 62.52 52.66 05/09/2023 07:35:08 70.07, 62.46 52.68 3.05 33
2 05/09/2023 08:25:17 -69.98,-130.04 127.43 05/09/2023 08:24:38 -69.96,-130.07 127.45 2.43 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 36.74 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 2.03 6
5 05/12/2023 00:42:13 -69.95, -14.24 128.16 05/12/2023 00:41:07 -69.93, -14.23 128.17 1.72 66
6 05/14/2023 15:17:42 -70.13, 126.61 128.61 05/14/2023 15:18:37 -70.15, 126.67 128.61 2.27 55
7 05/14/2023 16:08:26 70.01, -65.89 51.26 05/14/2023 16:08:04 70.04, -65.84 51.28 3.43 22
8 05/14/2023 16:58:55 -69.24, 102.55 129.55 05/14/2023 16:57:46 -69.27, 100.75 129.48 71.34 69
9 05/17/2023 07:34:37 -70.07,-117.53 129.30 05/17/2023 07:35:06 -70.06,-117.58 129.32 2.75 29
10 05/17/2023 08:25:21 69.95, 49.96 50.57 05/17/2023 08:24:33 69.95, 49.91 50.57 2.24 48
11 05/19/2023 23:00:51 70.16,-169.22 50.22 05/19/2023 23:02:03 70.15,-169.20 50.20 1.91 72
12 05/19/2023 23:51:32 -70.02, -1.68 129.94 05/19/2023 23:51:33 -70.04, -1.72 129.92 2.91 1
13 05/20/2023 00:42:14 69.80, 165.96 49.83 05/20/2023 00:41:01 69.87, 165.69 49.91 13.20 73
14 05/22/2023 15:17:46 70.13, -53.40 49.64 05/22/2023 15:18:30 70.10, -53.38 49.61 2.62 44
15 05/22/2023 16:08:27 -69.98, 114.14 130.53 05/22/2023 16:08:00 -70.00, 114.10 130.50 2.81 27

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/9/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230509.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/09/2023 in txt file.

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