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: 4/4/2023
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 04/04/2023 19:08:02 -70.59, 68.60 115.25 04/04/2023 19:08:44 -70.58, 68.63 115.27 1.48 42
2 04/04/2023 19:58:46 70.48,-123.91 64.63 04/04/2023 19:58:07 70.47,-123.87 64.62 1.98 39
3 04/07/2023 08:01:59 -70.55,-124.82 116.26 04/07/2023 08:02:21 -70.58,-124.80 116.23 3.25 22
4 04/07/2023 08:52:43 70.44, 42.67 63.62 04/07/2023 08:51:44 70.47, 42.70 63.65 3.06 59
5 04/09/2023 20:05:19 70.88,-126.16 63.16 04/09/2023 20:06:30 70.77,-125.60 63.01 24.27 71
6 04/09/2023 20:55:56 -70.52, 41.75 117.24 04/09/2023 20:55:58 -70.54, 41.71 117.23 2.50 2
7 04/09/2023 21:46:36 70.20,-150.44 62.42 04/09/2023 21:45:24 70.26,-151.03 62.50 23.04 72
8 04/12/2023 08:59:11 70.65, 40.74 61.97 04/12/2023 09:00:07 70.63, 40.77 61.94 2.88 56
9 04/12/2023 09:49:52 -70.49,-151.69 118.21 04/12/2023 09:49:33 -70.50,-151.76 118.20 2.76 19
10 04/14/2023 21:53:08 70.64,-152.72 61.03 04/14/2023 21:53:42 70.61,-152.67 61.00 3.31 34
11 04/14/2023 22:43:49 -70.48, 14.85 119.15 04/14/2023 22:43:08 -70.49, 14.79 119.14 2.34 41
12 04/17/2023 09:56:35 -71.45,-154.90 119.01 04/17/2023 09:57:42 -71.31,-152.67 119.22 80.71 67
13 04/17/2023 10:47:04 70.58, 13.90 60.06 04/17/2023 10:47:16 70.61, 13.90 60.09 3.32 12
14 04/17/2023 11:37:46 -70.47,-178.62 120.07 04/17/2023 11:36:42 -70.48,-178.63 120.05 1.31 64

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/4/2023
SNOs_Map_NOAA-20_TERRA_20230404.jpg

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

Historial Predications of SNOs between NOAA-20 and TERRA