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: 6/7/2023
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 06/09/2023 10:53:37 71.14, 11.48 48.19 06/09/2023 10:54:47 71.07, 12.13 48.09 24.72 70
2 06/09/2023 11:44:14 -70.80, 179.38 132.18 06/09/2023 11:44:16 -70.78, 179.34 132.20 2.59 2
3 06/09/2023 12:34:54 70.47, -12.78 47.48 06/09/2023 12:33:42 70.49, -13.43 47.53 24.36 72
4 06/11/2023 23:47:26 70.87, 178.47 47.72 06/11/2023 23:48:13 70.85, 178.43 47.70 2.29 47
5 06/12/2023 00:38:08 -70.78, -14.06 132.38 06/12/2023 00:37:38 -70.79, -14.01 132.37 2.06 30
6 06/14/2023 11:50:52 -71.80, 176.06 131.44 06/14/2023 11:51:58 -71.73, 178.80 131.60 95.56 66
7 06/14/2023 12:41:20 70.86, -14.98 47.57 06/14/2023 12:41:35 70.83, -14.97 47.54 3.29 15
8 06/14/2023 13:32:01 -70.72, 152.57 132.59 06/14/2023 13:31:01 -70.72, 152.52 132.57 2.01 60
9 06/17/2023 00:44:29 -70.91, -15.85 132.47 06/17/2023 00:45:34 -70.93, -15.84 132.47 2.06 65
10 06/17/2023 01:35:13 70.80, 151.64 47.42 06/17/2023 01:34:57 70.78, 151.60 47.40 2.89 16
11 06/17/2023 02:25:42 -70.03, -39.81 133.40 06/17/2023 02:24:34 -70.08, -41.78 133.28 74.79 68
12 06/19/2023 13:38:21 -70.86, 150.77 132.58 06/19/2023 13:38:55 -70.87, 150.70 132.58 2.71 34
13 06/19/2023 14:29:05 70.76, -41.75 47.31 06/19/2023 14:28:17 70.77, -41.79 47.33 1.80 48

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 6/7/2023
SNOs_Map_NOAA-20_TERRA_20230607.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 06/07/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA