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: 4/1/2023
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 04/04/2023 04:18:45 -70.97, -69.83 114.61 04/04/2023 04:19:56 -70.86, -68.76 114.76 40.66 71
2 04/04/2023 05:09:22 70.49, 98.25 64.88 04/04/2023 05:09:24 70.48, 98.32 64.86 3.23 2
3 04/04/2023 06:00:03 -70.35, -94.20 115.28 04/04/2023 05:58:50 -70.36, -94.19 115.27 1.18 73
4 04/06/2023 17:12:29 -70.58, 97.34 115.99 04/06/2023 17:13:38 -70.59, 97.40 115.99 2.30 69
5 04/06/2023 18:03:13 70.47, -95.18 63.89 04/06/2023 18:03:01 70.47, -95.11 63.89 2.51 12
6 04/06/2023 18:53:44 -69.85, 73.09 116.78 04/06/2023 18:52:34 -69.92, 71.75 116.66 51.66 70
7 04/09/2023 06:06:19 -70.56, -96.10 116.96 04/09/2023 06:07:14 -70.53, -96.10 117.00 3.06 55
8 04/09/2023 06:57:02 70.40, 71.46 62.86 04/09/2023 06:56:37 70.42, 71.39 62.88 3.06 25
9 04/11/2023 19:00:10 -70.56, 70.43 117.91 04/11/2023 19:00:49 -70.54, 70.49 117.93 2.78 39
10 04/11/2023 19:50:53 70.41,-122.01 61.92 04/11/2023 19:50:12 70.43,-122.02 61.95 2.59 41
11 04/14/2023 07:54:00 -70.52,-122.97 118.88 04/14/2023 07:54:24 -70.50,-122.99 118.90 2.21 24
12 04/14/2023 08:44:44 70.42, 44.50 61.01 04/14/2023 08:43:47 70.39, 44.51 60.98 3.45 57

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/1/2023
SNOs_Map_NOAA-21_TERRA_20230402.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/01/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA