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: 3/21/2023
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 03/22/2023 22:24:19 70.20,-159.90 69.38 03/22/2023 22:25:30 70.19,-159.84 69.36 2.31 71
2 03/22/2023 23:15:00 -70.05, 7.65 110.79 03/22/2023 23:15:00 -70.08, 7.63 110.77 3.23 0
3 03/23/2023 00:05:42 69.84, 175.29 68.97 03/23/2023 00:04:29 69.86, 174.97 69.02 12.40 73
4 03/25/2023 14:41:13 70.15, -44.05 68.27 03/25/2023 14:41:56 70.17, -43.99 68.28 2.80 43
5 03/25/2023 15:31:55 -70.05, 123.42 111.85 03/25/2023 15:31:26 -70.06, 123.48 111.85 2.41 29
6 03/28/2023 06:07:37 -70.90, -96.78 112.00 03/28/2023 06:08:45 -70.82, -94.78 112.14 73.15 68
7 03/28/2023 06:58:08 70.11, 71.79 67.17 03/28/2023 06:58:23 70.11, 71.81 67.16 0.98 15
8 03/28/2023 07:48:50 -70.01,-120.74 112.95 03/28/2023 07:47:53 -70.00,-120.71 112.96 1.43 57
9 03/30/2023 22:24:19 -70.18, 20.14 113.80 03/30/2023 22:25:22 -70.19, 20.16 113.80 0.84 63
10 03/30/2023 23:15:03 70.08,-172.39 66.09 03/30/2023 23:14:49 70.07,-172.35 66.08 1.86 14
11 03/31/2023 00:05:37 -69.56, -4.29 114.48 03/31/2023 00:04:26 -69.58, -5.40 114.41 43.28 71
12 04/02/2023 14:41:14 -70.16, 135.96 114.86 04/02/2023 14:41:47 -70.17, 136.03 114.86 3.20 33
13 04/02/2023 15:31:57 70.01, -56.50 64.97 04/02/2023 15:31:15 70.00, -56.56 64.97 2.52 42

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230322.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/21/2023 in txt file.

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