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: 1/2/2023
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 01/04/2023 14:41:01 71.04, -45.44 93.75 01/04/2023 14:42:07 70.92, -42.83 93.56 95.35 66
2 01/04/2023 15:31:26 -70.06, 123.44 87.28 01/04/2023 15:31:51 -70.05, 123.51 87.30 2.89 25
3 01/04/2023 16:22:10 69.94, -69.05 92.59 01/04/2023 16:21:18 69.94, -69.00 92.60 2.17 52
4 01/07/2023 06:57:40 70.12, 71.81 92.49 01/07/2023 06:58:51 70.09, 71.82 92.45 3.13 71
5 01/07/2023 07:48:21 -69.99,-120.67 87.66 01/07/2023 07:48:21 -69.99,-120.70 87.66 0.96 0
6 01/07/2023 08:39:02 69.70, 47.06 92.04 01/07/2023 08:37:50 69.77, 46.64 92.13 17.86 72
7 01/09/2023 23:14:34 70.06,-172.32 92.06 01/09/2023 23:15:19 70.06,-172.35 92.06 1.19 45
8 01/10/2023 00:05:16 -69.97, -4.88 88.03 01/10/2023 00:04:49 -69.96, -4.86 88.04 1.52 27
9 01/12/2023 14:41:01 -70.95, 134.70 87.40 01/12/2023 14:42:08 -70.83, 137.03 87.60 85.87 67
10 01/12/2023 15:31:29 70.00, -56.46 91.59 01/12/2023 15:31:48 70.01, -56.54 91.60 3.31 19
11 01/12/2023 16:22:11 -69.91, 110.99 88.51 01/12/2023 16:21:18 -69.91, 110.95 88.50 1.25 53
12 01/15/2023 06:57:41 -70.11,-108.18 88.74 01/15/2023 06:58:49 -70.10,-108.16 88.76 1.01 68
13 01/15/2023 07:48:25 69.99, 59.31 91.13 01/15/2023 07:48:16 69.99, 59.31 91.12 1.00 9
14 01/15/2023 08:39:02 -69.64,-132.85 89.25 01/15/2023 08:37:50 -69.67,-133.50 89.19 25.23 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/2/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230102.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/02/2023 in txt file.

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