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: 12/26/2022
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 12/26/2022 20:55:14 71.12,-139.14 94.44 12/26/2022 20:56:20 71.01,-136.71 94.27 88.79 66
2 12/26/2022 21:45:40 -70.21, 29.67 86.52 12/26/2022 21:45:59 -70.18, 29.71 86.55 3.31 19
3 12/26/2022 22:36:24 70.08,-162.82 93.35 12/26/2022 22:35:23 70.06,-162.80 93.33 2.45 61
4 12/29/2022 10:39:37 -70.21,-163.81 86.64 12/29/2022 10:40:05 -70.21,-163.79 86.64 0.86 28
5 12/29/2022 11:30:21 70.08, 3.69 93.24 12/29/2022 11:29:29 70.09, 3.69 93.25 1.05 52
6 12/31/2022 23:33:34 -70.21, 2.70 86.80 12/31/2022 23:34:11 -70.23, 2.68 86.79 1.98 37
7 01/01/2023 00:24:18 70.09, 170.19 93.07 01/01/2023 00:23:35 70.11, 170.17 93.10 2.32 43
8 01/03/2023 12:27:31 -70.22, 169.20 87.01 01/03/2023 12:28:17 -70.23, 169.14 87.00 2.45 46
9 01/03/2023 13:18:15 70.10, -23.31 92.87 01/03/2023 13:17:41 70.11, -23.37 92.88 2.72 34
10 01/06/2023 01:21:28 -70.28, -24.39 87.20 01/06/2023 01:22:21 -70.27, -24.34 87.23 2.24 53
11 01/06/2023 02:12:12 70.17, 143.11 92.67 01/06/2023 02:11:45 70.15, 143.14 92.66 2.42 27
12 01/08/2023 14:15:25 -70.30, 142.10 87.50 01/08/2023 14:16:26 -70.30, 142.15 87.51 1.88 61
13 01/08/2023 15:06:09 70.19, -50.41 92.38 01/08/2023 15:05:50 70.17, -50.37 92.37 2.11 19

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/26/2022
SNOs_Map_NOAA-20_TERRA_20221226.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/26/2022 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA