Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/13/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 11/15/2023 06:57:58 -70.08,-108.11 91.60 11/15/2023 06:58:35 -70.10,-108.14 91.58 2.35 37
2 11/15/2023 07:48:43 70.01, 59.30 88.35 11/15/2023 07:48:02 69.99, 59.36 88.33 3.11 41
3 11/17/2023 22:24:19 70.49,-160.30 89.47 11/17/2023 22:25:30 70.37,-159.49 89.35 32.79 71
4 11/17/2023 23:14:54 -70.02, 7.74 90.99 11/17/2023 23:15:04 -70.04, 7.66 90.98 3.25 10
5 11/18/2023 00:05:38 69.91, 175.22 88.91 11/18/2023 00:04:31 69.93, 175.16 88.93 3.41 67
6 11/20/2023 14:41:08 70.13, -43.98 89.74 11/20/2023 14:42:01 70.11, -43.98 89.72 2.09 53
7 11/20/2023 15:31:50 -70.03, 123.49 90.36 11/20/2023 15:31:31 -70.00, 123.50 90.39 3.21 19
8 11/20/2023 16:22:19 69.12, -67.88 88.75 11/20/2023 16:21:11 69.17, -69.98 88.79 83.35 68
9 11/23/2023 06:58:04 70.09, 71.84 90.28 11/23/2023 06:58:28 70.09, 71.88 90.28 1.56 24
10 11/23/2023 07:48:46 -69.99,-120.69 89.82 11/23/2023 07:47:58 -69.98,-120.63 89.82 2.07 48
11 11/25/2023 22:24:16 -70.17, 20.18 89.11 11/25/2023 22:25:28 -70.15, 20.22 89.13 2.02 72
12 11/25/2023 23:14:59 70.01,-172.27 90.74 11/25/2023 23:14:55 70.04,-172.30 90.77 3.03 4
13 11/26/2023 00:05:39 -69.80, -4.64 89.47 11/26/2023 00:04:27 -69.82, -4.96 89.45 12.74 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/13/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231113.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/13/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9