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: 5/21/2023
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 05:08:58 70.70, 97.94 50.32 05/22/2023 05:09:57 70.69, 97.98 50.30 2.33 59
2 05/22/2023 05:59:39 -70.57, -94.53 129.83 05/22/2023 05:59:22 -70.59, -94.51 129.81 2.44 17
3 05/22/2023 06:50:07 69.60, 74.26 49.16 05/22/2023 06:49:01 69.61, 71.78 49.25 96.17 66
4 05/24/2023 18:02:52 70.66, -95.48 49.79 05/24/2023 18:03:22 70.65, -95.45 49.78 1.04 30
5 05/24/2023 18:53:34 -70.57, 71.98 130.31 05/24/2023 18:52:47 -70.56, 72.06 130.32 3.40 47
6 05/27/2023 06:06:09 -71.05, -96.92 130.24 05/27/2023 06:07:20 -70.96, -96.02 130.36 33.68 71
7 05/27/2023 06:56:47 70.62, 71.10 49.30 05/27/2023 06:56:47 70.64, 71.15 49.32 2.86 0
8 05/27/2023 07:47:27 -70.43,-121.27 130.91 05/27/2023 07:46:14 -70.44,-121.49 130.88 8.14 73
9 05/29/2023 18:59:58 -70.70, 70.17 131.01 05/29/2023 19:00:49 -70.71, 70.22 131.01 2.05 51
10 05/29/2023 19:50:42 70.59,-122.34 48.87 05/29/2023 19:50:12 70.60,-122.29 48.88 2.01 30
11 06/01/2023 07:53:53 -70.68,-123.27 131.40 06/01/2023 07:54:14 -70.65,-123.25 131.43 3.02 21
12 06/01/2023 08:44:36 70.51, 44.30 48.43 06/01/2023 08:43:37 70.53, 44.23 48.45 2.79 59
13 06/03/2023 19:57:06 70.76,-124.20 48.37 06/03/2023 19:58:12 70.73,-124.15 48.33 3.36 66
14 06/03/2023 20:47:47 -70.61, 43.36 131.80 06/03/2023 20:47:38 -70.61, 43.32 131.79 1.50 9

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 5/21/2023
SNOs_Map_NOAA-21_TERRA_20230521.jpg

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

Historial Predications of SNOs between NOAA-21 and TERRA