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: 4/11/2023
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 04/14/2023 07:54:01 -70.55,-123.01 118.85 04/14/2023 07:54:26 -70.53,-122.96 118.87 2.47 25
2 04/14/2023 08:44:44 70.38, 44.55 60.97 04/14/2023 08:43:50 70.38, 44.48 60.98 2.90 54
3 04/16/2023 19:57:19 71.11,-124.73 60.85 04/16/2023 19:58:28 71.04,-123.26 60.73 53.64 69
4 04/16/2023 20:47:51 -70.50, 43.59 119.81 04/16/2023 20:48:01 -70.53, 43.61 119.79 2.96 10
5 04/16/2023 21:38:35 70.39,-148.93 60.07 04/16/2023 21:37:25 70.37,-148.95 60.06 2.40 70
6 04/19/2023 08:51:00 70.61, 42.64 59.43 04/19/2023 08:52:10 70.62, 42.68 59.43 2.32 70
7 04/19/2023 09:41:42 -70.51,-149.90 120.68 04/19/2023 09:41:36 -70.49,-149.87 120.71 3.29 6
8 04/19/2023 10:32:17 69.93, 18.31 58.70 04/19/2023 10:31:07 69.95, 17.03 58.76 49.10 70
9 04/21/2023 21:44:50 70.58,-150.78 58.53 04/21/2023 21:45:44 70.61,-150.76 58.55 3.15 54
10 04/21/2023 22:35:32 -70.49, 16.68 121.59 04/21/2023 22:35:10 -70.47, 16.70 121.60 1.75 22
11 04/24/2023 10:38:39 70.56, 15.78 57.66 04/24/2023 10:39:17 70.56, 15.76 57.65 0.66 38
12 04/24/2023 11:29:21 -70.47,-176.75 122.45 04/24/2023 11:28:42 -70.48,-176.71 122.44 2.09 39

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/11/2023
SNOs_Map_NOAA-21_TERRA_20230412.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/11/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA