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: 1/10/2023
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 01/12/2023 14:41:00 -70.92, 134.76 87.44 01/12/2023 14:42:07 -70.85, 137.05 87.59 83.82 67
2 01/12/2023 15:31:30 70.06, -56.56 91.66 01/12/2023 15:31:47 70.03, -56.51 91.63 3.33 17
3 01/12/2023 16:22:11 -69.93, 110.96 88.49 01/12/2023 16:21:17 -69.92, 110.97 88.49 0.59 54
4 01/15/2023 06:57:40 -70.08,-108.13 88.78 01/15/2023 06:58:48 -70.10,-108.17 88.76 3.23 68
5 01/15/2023 07:48:25 70.00, 59.29 91.15 01/15/2023 07:48:15 69.99, 59.32 91.13 1.76 10
6 01/15/2023 08:39:01 -69.61,-132.80 89.28 01/15/2023 08:37:49 -69.67,-133.50 89.19 27.94 72
7 01/17/2023 23:14:36 -70.08, 7.64 89.28 01/17/2023 23:15:15 -70.09, 7.70 89.28 2.85 39
8 01/18/2023 00:05:20 69.96, 175.13 90.59 01/18/2023 00:04:42 69.98, 175.19 90.61 3.06 38
9 01/20/2023 14:40:57 70.55, -44.64 90.68 01/20/2023 14:42:07 70.43, -43.55 90.51 42.70 70
10 01/20/2023 15:31:31 -70.04, 123.47 89.87 01/20/2023 15:31:42 -70.06, 123.54 89.86 3.11 11
11 01/20/2023 16:22:15 69.92, -69.04 90.00 01/20/2023 16:21:09 69.94, -68.98 90.02 3.01 66
12 01/23/2023 06:57:43 70.10, 71.84 89.60 01/23/2023 06:58:38 70.09, 71.85 89.58 0.69 55
13 01/23/2023 07:48:25 -70.01,-120.70 90.51 01/23/2023 07:48:08 -69.99,-120.66 90.52 2.44 17
14 01/23/2023 08:38:55 69.14, 47.86 88.59 01/23/2023 08:37:47 69.21, 45.92 88.73 76.74 68

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/10/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230110.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/10/2023 in txt file.

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