Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/21/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 07/22/2023 07:24:42 71.40, 63.32 51.16 07/22/2023 07:25:53 71.28, 64.22 50.99 34.42 71
2 07/22/2023 08:15:18 -70.99,-128.65 129.27 07/22/2023 08:15:22 -70.99,-128.58 129.27 2.72 4
3 07/22/2023 09:05:59 70.72, 39.09 50.46 07/22/2023 09:04:46 70.80, 38.79 50.56 13.88 73
4 07/24/2023 20:18:30 71.00,-129.47 51.26 07/24/2023 20:19:12 71.01,-129.53 51.26 2.72 42
5 07/24/2023 21:09:12 -70.90, 38.01 128.85 07/24/2023 21:08:38 -70.89, 37.93 128.85 3.19 34
6 07/27/2023 08:21:49 -71.48,-131.11 127.68 07/27/2023 08:22:59 -71.35,-130.01 127.88 41.97 70
7 07/27/2023 09:12:25 70.97, 37.09 51.78 07/27/2023 09:12:26 70.99, 37.10 51.80 2.50 1
8 07/27/2023 10:03:06 -70.81,-155.34 128.38 07/27/2023 10:01:53 -70.81,-155.52 128.36 6.76 73
9 07/29/2023 21:15:36 -71.04, 36.17 127.56 07/29/2023 21:16:18 -71.03, 36.16 127.59 2.05 42
10 07/29/2023 22:06:20 70.95,-156.36 52.35 07/29/2023 22:05:40 70.94,-156.30 52.34 2.18 40
11 08/01/2023 09:18:52 71.29, 34.94 53.32 08/01/2023 09:20:04 71.19, 35.43 53.18 21.16 72
12 08/01/2023 10:09:30 -70.97,-157.20 127.02 08/01/2023 10:09:31 -71.00,-157.20 126.99 3.26 1
13 08/01/2023 11:00:09 70.62, 10.70 52.62 08/01/2023 10:58:57 70.70, 10.00 52.74 27.08 72
14 08/03/2023 22:12:42 71.02,-158.08 53.68 08/03/2023 22:13:19 71.03,-158.14 53.68 2.14 37
15 08/03/2023 23:03:25 -70.96, 9.33 126.38 08/03/2023 23:02:44 -70.95, 9.39 126.38 2.44 41

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/21/2023
SNOs_Map_NOAA-20_TERRA_20230723.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/21/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA