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: 4/14/2023
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 04/16/2023 19:57:20 71.15,-124.80 60.89 04/16/2023 19:58:29 71.00,-123.33 60.69 55.31 69
2 04/16/2023 20:47:52 -70.54, 43.53 119.77 04/16/2023 20:48:01 -70.53, 43.61 119.78 3.24 9
3 04/16/2023 21:38:35 70.37,-148.90 60.05 04/16/2023 21:37:25 70.38,-148.94 60.07 1.75 70
4 04/19/2023 08:50:59 70.59, 42.66 59.41 04/19/2023 08:52:09 70.62, 42.67 59.43 2.70 70
5 04/19/2023 09:41:41 -70.50,-149.88 120.70 04/19/2023 09:41:35 -70.48,-149.88 120.72 3.01 6
6 04/19/2023 10:32:16 69.92, 18.34 58.69 04/19/2023 10:31:06 69.94, 17.02 58.75 50.28 70
7 04/21/2023 21:44:49 70.57,-150.77 58.52 04/21/2023 21:45:43 70.58,-150.79 58.52 1.73 54
8 04/21/2023 22:35:31 -70.48, 16.70 121.59 04/21/2023 22:35:08 -70.50, 16.74 121.57 2.55 23
9 04/24/2023 10:38:39 70.56, 15.79 57.65 04/24/2023 10:39:16 70.57, 15.78 57.66 1.36 37
10 04/24/2023 11:29:21 -70.46,-176.74 122.46 04/24/2023 11:28:41 -70.48,-176.70 122.44 2.71 40
11 04/26/2023 23:32:29 70.55,-177.67 56.82 04/26/2023 23:32:48 70.57,-177.62 56.84 2.59 19
12 04/27/2023 00:23:11 -70.46, -10.20 123.29 04/27/2023 00:22:14 -70.43, -10.18 123.31 3.08 57

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/14/2023
SNOs_Map_NOAA-21_TERRA_20230415.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/14/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA