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: 4/3/2023
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 -70.99, -69.86 114.59 04/04/2023 04:19:55 -70.90, -68.71 114.73 43.21 70
2 04/04/2023 05:09:21 70.46, 98.31 64.85 04/04/2023 05:09:24 70.46, 98.30 64.84 0.31 3
3 04/04/2023 06:00:03 -70.37, -94.24 115.26 04/04/2023 05:58:50 -70.34, -94.22 115.28 3.14 73
4 04/06/2023 17:12:29 -70.59, 97.32 115.97 04/06/2023 17:13:38 -70.58, 97.39 116.00 2.87 69
5 04/06/2023 18:03:12 70.43, -95.12 63.85 04/06/2023 18:03:02 70.41, -95.20 63.83 3.47 10
6 04/06/2023 18:53:45 -69.87, 73.07 116.76 04/06/2023 18:52:35 -69.91, 71.75 116.66 50.74 70
7 04/09/2023 06:06:20 -70.57, -96.12 116.95 04/09/2023 06:07:15 -70.55, -96.09 116.99 3.04 55
8 04/09/2023 06:57:03 70.42, 71.44 62.87 04/09/2023 06:56:38 70.44, 71.41 62.90 2.62 25
9 04/11/2023 19:00:10 -70.51, 70.51 117.96 04/11/2023 19:00:51 -70.53, 70.46 117.95 2.39 41
10 04/11/2023 19:50:54 70.41,-122.02 61.93 04/11/2023 19:50:14 70.42,-122.04 61.94 1.09 40
11 04/14/2023 07:54:00 -70.52,-122.97 118.88 04/14/2023 07:54:25 -70.52,-122.97 118.88 0.39 25
12 04/14/2023 08:44:44 70.42, 44.50 61.01 04/14/2023 08:43:48 70.41, 44.53 61.00 1.24 56
13 04/16/2023 19:57:18 71.10,-124.71 60.84 04/16/2023 19:58:27 70.98,-123.36 60.66 51.03 69
14 04/16/2023 20:47:51 -70.53, 43.55 119.77 04/16/2023 20:47:59 -70.52, 43.61 119.79 2.77 8
15 04/16/2023 21:38:34 70.38,-148.91 60.06 04/16/2023 21:37:23 70.36,-148.96 60.04 3.46 71

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/3/2023
SNOs_Map_NOAA-21_TERRA_20230403.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/03/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA