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: 5/20/2023
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 05/22/2023 05:08:57 70.69, 97.95 50.31 05/22/2023 05:09:56 70.70, 98.00 50.31 2.20 59
2 05/22/2023 05:59:38 -70.56, -94.51 129.84 05/22/2023 05:59:22 -70.55, -94.57 129.85 2.40 16
3 05/22/2023 06:50:06 69.59, 74.28 49.15 05/22/2023 06:49:00 69.63, 71.80 49.26 96.25 66
4 05/24/2023 18:02:52 70.64, -95.45 49.77 05/24/2023 18:03:22 70.67, -95.43 49.79 3.04 30
5 05/24/2023 18:53:33 -70.50, 72.09 130.38 05/24/2023 18:52:48 -70.52, 72.01 130.36 3.51 45
6 05/27/2023 06:06:10 -71.08, -96.97 130.21 05/27/2023 06:07:21 -70.93, -96.07 130.39 36.59 71
7 05/27/2023 06:56:47 70.60, 71.13 49.29 05/27/2023 06:56:48 70.61, 71.10 49.29 1.26 1
8 05/27/2023 07:47:27 -70.41,-121.24 130.93 05/27/2023 07:46:14 -70.47,-121.45 130.85 10.30 73
9 05/29/2023 18:59:58 -70.68, 70.21 131.04 05/29/2023 19:00:50 -70.69, 70.19 131.03 1.83 52
10 05/29/2023 19:50:42 70.57,-122.30 48.84 05/29/2023 19:50:13 70.58,-122.32 48.86 1.44 29
11 06/01/2023 07:53:53 -70.64,-123.22 131.44 06/01/2023 07:54:15 -70.64,-123.27 131.44 1.66 22
12 06/01/2023 08:44:37 70.54, 44.26 48.45 06/01/2023 08:43:38 70.52, 44.22 48.44 2.71 59

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 5/20/2023
SNOs_Map_NOAA-21_TERRA_20230520.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 05/20/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA