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: 1/26/2023
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 01/26/2023 08:33:13 -71.30,-133.91 89.86 01/26/2023 08:34:19 -71.18,-131.23 90.10 97.02 66
2 01/26/2023 09:23:40 70.29, 35.07 89.06 01/26/2023 09:23:57 70.29, 35.10 89.06 1.20 17
3 01/26/2023 10:14:21 -70.16,-157.41 91.09 01/26/2023 10:13:23 -70.16,-157.43 91.08 0.87 58
4 01/28/2023 22:17:35 70.29,-158.40 88.40 01/28/2023 22:17:56 70.28,-158.43 88.40 1.02 21
5 01/28/2023 23:08:16 -70.15, 9.12 91.75 01/28/2023 23:07:22 -70.16, 9.05 91.73 3.06 54
6 01/31/2023 11:11:30 70.29, 8.12 87.72 01/31/2023 11:11:54 70.30, 8.07 87.72 1.65 24
7 01/31/2023 12:02:12 -70.21, 175.57 92.38 01/31/2023 12:01:20 -70.18, 175.56 92.40 3.15 52
8 02/03/2023 00:05:25 70.30, 174.62 87.02 02/03/2023 00:05:51 70.33, 174.61 87.03 2.49 26
9 02/03/2023 00:56:07 -70.22, -17.92 93.09 02/03/2023 00:55:17 -70.22, -17.90 93.09 0.82 50
10 02/05/2023 12:59:19 70.33, -18.89 86.29 02/05/2023 12:59:47 70.32, -18.91 86.27 0.97 28
11 02/05/2023 13:50:01 -70.23, 148.57 93.83 02/05/2023 13:49:13 -70.22, 148.59 93.84 2.11 48
12 02/08/2023 01:53:14 70.36, 147.59 85.54 02/08/2023 01:53:43 70.34, 147.61 85.51 2.62 29
13 02/08/2023 02:43:55 -70.21, -44.86 94.64 02/08/2023 02:43:09 -70.24, -44.89 94.60 3.20 46

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 1/26/2023
SNOs_Map_NOAA-20_TERRA_20230126.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 01/26/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA