Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/24/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 07/26/2023 19:12:15 -70.87, 66.76 128.43 07/26/2023 19:13:15 -70.86, 66.72 128.45 1.98 60
2 07/26/2023 20:02:59 70.77,-125.76 51.47 07/26/2023 20:02:37 70.78,-125.74 51.48 1.61 22
3 07/26/2023 20:53:24 -69.78, 43.10 129.58 07/26/2023 20:52:18 -69.83, 40.55 129.39 98.24 66
4 07/29/2023 08:06:07 -70.83,-126.65 127.90 07/29/2023 08:06:29 -70.82,-126.67 127.91 1.19 22
5 07/29/2023 08:56:51 70.73, 40.83 52.01 07/29/2023 08:55:51 70.74, 40.87 52.03 2.23 60
6 07/31/2023 20:09:17 70.90,-127.55 52.79 07/31/2023 20:10:17 70.89,-127.55 52.77 0.58 60
7 07/31/2023 20:59:59 -70.80, 39.94 127.32 07/31/2023 20:59:42 -70.82, 39.99 127.30 2.86 17
8 07/31/2023 21:50:26 69.80,-151.20 51.64 07/31/2023 21:49:20 69.86,-153.73 51.83 97.29 66
9 08/03/2023 09:03:08 70.88, 39.02 53.40 08/03/2023 09:03:29 70.86, 39.08 53.38 2.46 21
10 08/03/2023 09:53:49 -70.72,-153.41 126.76 08/03/2023 09:52:55 -70.73,-153.47 126.73 2.60 54
11 08/05/2023 21:06:15 -70.90, 38.20 125.91 08/05/2023 21:07:20 -70.88, 38.12 125.93 3.29 65
12 08/05/2023 21:56:59 70.81,-154.34 54.00 08/05/2023 21:56:42 70.81,-154.33 54.01 0.30 17

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/24/2023
SNOs_Map_NOAA-21_TERRA_20230725.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/24/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA