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: 4/21/2023
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 04/23/2023 22:24:47 70.13,-159.86 57.38 04/23/2023 22:25:15 70.15,-159.93 57.39 3.14 28
2 04/23/2023 23:15:29 -70.04, 7.60 122.73 04/23/2023 23:14:45 -70.03, 7.54 122.74 2.52 44
3 04/26/2023 13:51:02 -70.39, 148.20 123.23 04/26/2023 13:52:14 -70.32, 148.56 123.31 15.15 72
4 04/26/2023 14:41:43 70.12, -44.06 56.48 04/26/2023 14:41:43 70.11, -44.10 56.47 1.73 0
5 04/26/2023 15:32:25 -70.03, 123.40 123.63 04/26/2023 15:31:13 -70.00, 123.37 123.65 3.17 72
6 04/29/2023 06:07:54 -70.22, -95.76 124.25 04/29/2023 06:08:42 -70.20, -95.74 124.28 2.83 48
7 04/29/2023 06:58:38 70.11, 71.72 55.63 04/29/2023 06:58:09 70.09, 71.75 55.61 2.52 29
8 05/01/2023 21:34:20 70.95,-148.48 55.70 05/01/2023 21:35:28 70.86,-146.51 55.56 72.65 68
9 05/01/2023 22:24:49 -70.17, 20.09 125.12 05/01/2023 22:25:09 -70.15, 20.07 125.15 2.93 20
10 05/01/2023 23:15:33 70.06,-172.43 54.75 05/01/2023 23:14:36 70.04,-172.44 54.73 3.02 57
11 05/04/2023 13:51:02 70.23, -31.54 54.16 05/04/2023 13:52:05 70.22, -31.57 54.14 1.68 63
12 05/04/2023 14:41:44 -70.13, 135.93 125.96 05/04/2023 14:41:35 -70.11, 135.91 125.98 2.40 9
13 05/04/2023 15:32:19 69.55, -55.89 53.43 05/04/2023 15:31:09 69.61, -57.14 53.53 49.03 70

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230422.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/21/2023 in txt file.

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