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: 5/23/2023
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 05/24/2023 18:02:52 70.62, -95.42 49.75 05/24/2023 18:03:23 70.63, -95.48 49.76 2.65 31
2 05/24/2023 18:53:34 -70.54, 72.03 130.35 05/24/2023 18:52:48 -70.54, 72.03 130.34 0.26 46
3 05/27/2023 06:06:10 -71.06, -96.95 130.23 05/27/2023 06:07:21 -70.94, -96.06 130.39 35.00 71
4 05/27/2023 06:56:48 70.63, 71.08 49.32 05/27/2023 06:56:48 70.62, 71.12 49.30 2.28 0
5 05/27/2023 07:47:27 -70.39,-121.22 130.94 05/27/2023 07:46:15 -70.42,-121.52 130.90 11.67 72
6 05/29/2023 18:59:59 -70.72, 70.15 131.00 05/29/2023 19:00:50 -70.69, 70.18 131.03 3.26 51
7 05/29/2023 19:50:42 70.60,-122.36 48.88 05/29/2023 19:50:12 70.58,-122.32 48.86 3.02 30
8 06/01/2023 07:03:28 71.67, 67.71 49.65 06/01/2023 07:04:33 71.57, 70.54 49.47 99.79 65
9 06/01/2023 07:53:52 -70.63,-123.20 131.45 06/01/2023 07:54:14 -70.63,-123.28 131.46 3.13 22
10 06/01/2023 08:44:37 70.58, 44.20 48.49 06/01/2023 08:43:36 70.56, 44.28 48.48 3.50 61
11 06/03/2023 19:57:05 70.71,-124.13 48.32 06/03/2023 19:58:12 70.71,-124.18 48.31 2.04 67
12 06/03/2023 20:47:47 -70.61, 43.35 131.79 06/03/2023 20:47:37 -70.64, 43.37 131.76 3.32 10

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 5/23/2023
SNOs_Map_NOAA-21_TERRA_20230523.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 05/23/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA