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: 4/4/2023
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 05:09:21 70.47, 98.29 64.86 04/04/2023 05:09:24 70.45, 98.28 64.83 2.30 3
2 04/04/2023 06:00:02 -70.33, -94.17 115.31 04/04/2023 05:58:50 -70.33, -94.24 115.30 2.39 72
3 04/06/2023 17:12:28 -70.55, 97.38 116.02 04/06/2023 17:13:38 -70.57, 97.37 116.01 2.17 70
4 04/06/2023 18:03:12 70.44, -95.13 63.86 04/06/2023 18:03:01 70.46, -95.13 63.87 1.92 11
5 04/06/2023 18:53:45 -69.88, 73.05 116.75 04/06/2023 18:52:35 -69.90, 71.73 116.68 50.71 70
6 04/09/2023 06:06:19 -70.53, -96.05 117.00 04/09/2023 06:07:15 -70.53, -96.11 117.00 2.33 56
7 04/09/2023 06:57:03 70.42, 71.43 62.88 04/09/2023 06:56:38 70.42, 71.39 62.89 1.49 25
8 04/11/2023 19:00:10 -70.52, 70.50 117.95 04/11/2023 19:00:51 -70.51, 70.44 117.96 2.44 41
9 04/11/2023 19:50:54 70.41,-122.02 61.93 04/11/2023 19:50:14 70.40,-122.06 61.92 1.75 40
10 04/14/2023 07:54:01 -70.51,-122.96 118.88 04/14/2023 07:54:26 -70.50,-123.00 118.90 1.63 25
11 04/14/2023 08:44:45 70.41, 44.51 61.00 04/14/2023 08:43:49 70.39, 44.51 60.99 1.90 56
12 04/16/2023 19:57:18 71.09,-124.70 60.83 04/16/2023 19:58:27 70.96,-123.38 60.65 49.81 69
13 04/16/2023 20:47:51 -70.52, 43.56 119.79 04/16/2023 20:47:59 -70.51, 43.59 119.80 1.92 8
14 04/16/2023 21:38:34 70.37,-148.89 60.05 04/16/2023 21:37:22 70.40,-148.90 60.08 3.38 72

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/4/2023
SNOs_Map_NOAA-21_TERRA_20230404.jpg

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

Historial Predications of SNOs between NOAA-21 and TERRA