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: 1/9/2023
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 01/09/2023 23:14:35 70.07,-172.35 92.08 01/09/2023 23:15:19 70.09,-172.31 92.09 3.12 44
2 01/10/2023 00:05:16 -69.94, -4.83 88.07 01/10/2023 00:04:50 -69.93, -4.91 88.08 3.16 26
3 01/12/2023 14:41:00 -70.92, 134.75 87.43 01/12/2023 14:42:07 -70.84, 137.04 87.59 83.85 67
4 01/12/2023 15:31:29 70.01, -56.48 91.61 01/12/2023 15:31:47 70.03, -56.52 91.62 2.39 18
5 01/12/2023 16:22:11 -69.93, 110.95 88.49 01/12/2023 16:21:17 -69.92, 110.96 88.49 1.33 54
6 01/15/2023 06:57:40 -70.08,-108.13 88.78 01/15/2023 06:58:48 -70.10,-108.18 88.77 2.76 68
7 01/15/2023 07:48:25 70.01, 59.29 91.15 01/15/2023 07:48:15 69.98, 59.31 91.12 2.53 10
8 01/15/2023 08:39:01 -69.61,-132.80 89.28 01/15/2023 08:37:49 -69.66,-133.51 89.20 27.98 72
9 01/17/2023 23:14:36 -70.08, 7.64 89.28 01/17/2023 23:15:15 -70.09, 7.70 89.28 2.30 39
10 01/18/2023 00:05:20 69.96, 175.13 90.59 01/18/2023 00:04:42 69.97, 175.18 90.61 2.25 38
11 01/20/2023 14:40:57 70.54, -44.64 90.67 01/20/2023 14:42:07 70.42, -43.56 90.50 42.19 70
12 01/20/2023 15:31:31 -70.04, 123.48 89.88 01/20/2023 15:31:42 -70.05, 123.53 89.87 2.48 11
13 01/20/2023 16:22:15 69.92, -69.03 89.99 01/20/2023 16:21:09 69.93, -68.99 90.01 2.24 66

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/9/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230109.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/09/2023 in txt file.

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