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: 7/25/2023
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 -70.89, 66.72 128.41 07/26/2023 19:13:14 -70.89, 66.76 128.43 1.46 59
2 07/26/2023 20:02:58 70.74,-125.71 51.43 07/26/2023 20:02:37 70.76,-125.78 51.46 3.37 21
3 07/26/2023 20:53:24 -69.80, 43.07 129.55 07/26/2023 20:52:17 -69.86, 40.59 129.36 95.31 67
4 07/29/2023 08:06:07 -70.85,-126.68 127.87 07/29/2023 08:06:28 -70.85,-126.63 127.88 1.94 21
5 07/29/2023 08:56:50 70.70, 40.88 51.98 07/29/2023 08:55:51 70.72, 40.83 52.01 2.80 59
6 07/31/2023 20:09:17 70.92,-127.58 52.81 07/31/2023 20:10:16 70.92,-127.51 52.79 2.65 59
7 07/31/2023 20:59:58 -70.77, 39.99 127.35 07/31/2023 20:59:42 -70.79, 39.94 127.33 2.70 16
8 08/03/2023 09:03:08 70.84, 39.08 53.37 08/03/2023 09:03:30 70.83, 39.03 53.35 2.14 22
9 08/03/2023 09:53:50 -70.74,-153.44 126.73 08/03/2023 09:52:55 -70.75,-153.44 126.72 1.24 55
10 08/05/2023 21:06:16 -70.92, 38.17 125.89 08/05/2023 21:07:20 -70.90, 38.15 125.92 2.05 64
11 08/05/2023 21:57:00 70.82,-154.36 54.02 08/05/2023 21:56:42 70.83,-154.30 54.02 2.18 18
12 08/05/2023 22:47:28 -69.98, 14.28 126.86 08/05/2023 22:46:20 -70.03, 12.20 126.71 79.35 68
13 08/08/2023 10:00:06 -70.85,-155.19 125.26 08/08/2023 10:00:31 -70.87,-155.23 125.25 2.30 25
14 08/08/2023 10:50:50 70.76, 12.27 54.66 08/08/2023 10:49:54 70.74, 12.24 54.65 2.29 56

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/25/2023
SNOs_Map_NOAA-21_TERRA_20230726.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/25/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA