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: 4/12/2023
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 07:54:00 -70.51,-122.95 118.89 04/14/2023 07:54:26 -70.52,-122.98 118.88 2.07 26
2 04/14/2023 08:44:44 70.39, 44.54 60.98 04/14/2023 08:43:49 70.42, 44.54 61.02 3.39 55
3 04/16/2023 19:57:19 71.12,-124.75 60.86 04/16/2023 19:58:28 71.04,-123.28 60.72 54.14 69
4 04/16/2023 20:47:51 -70.51, 43.58 119.80 04/16/2023 20:48:01 -70.52, 43.59 119.80 0.89 10
5 04/16/2023 21:38:35 70.40,-148.94 60.08 04/16/2023 21:37:24 70.42,-148.89 60.10 2.74 71
6 04/19/2023 08:51:00 70.62, 42.62 59.44 04/19/2023 08:52:10 70.62, 42.67 59.43 1.85 70
7 04/19/2023 09:41:41 -70.47,-149.83 120.73 04/19/2023 09:41:36 -70.48,-149.88 120.72 1.87 5
8 04/19/2023 10:32:16 69.89, 18.38 58.66 04/19/2023 10:31:06 70.00, 17.10 58.81 50.26 70
9 04/21/2023 21:44:50 70.59,-150.80 58.54 04/21/2023 21:45:44 70.61,-150.76 58.55 2.29 54
10 04/21/2023 22:35:32 -70.50, 16.67 121.57 04/21/2023 22:35:10 -70.47, 16.69 121.60 3.31 22
11 04/24/2023 10:38:40 70.57, 15.76 57.67 04/24/2023 10:39:18 70.57, 15.77 57.66 0.99 38
12 04/24/2023 11:29:22 -70.48,-176.77 122.44 04/24/2023 11:28:43 -70.48,-176.70 122.44 2.45 39

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/12/2023
SNOs_Map_NOAA-21_TERRA_20230413.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/12/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA