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: 4/7/2023
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 04/09/2023 06:06:19 -70.55, -96.08 116.98 04/09/2023 06:07:15 -70.53, -96.12 117.01 2.46 56
2 04/09/2023 06:57:03 70.44, 71.41 62.90 04/09/2023 06:56:38 70.42, 71.39 62.88 1.60 25
3 04/11/2023 19:00:10 -70.53, 70.47 117.93 04/11/2023 19:00:51 -70.53, 70.45 117.95 1.14 41
4 04/11/2023 19:50:54 70.43,-122.05 61.94 04/11/2023 19:50:14 70.42,-122.04 61.94 0.67 40
5 04/14/2023 07:54:01 -70.53,-122.99 118.87 04/14/2023 07:54:26 -70.54,-122.94 118.86 2.20 25
6 04/14/2023 08:44:45 70.43, 44.49 61.02 04/14/2023 08:43:49 70.44, 44.56 61.03 3.21 56
7 04/16/2023 19:57:19 71.10,-124.72 60.84 04/16/2023 19:58:28 71.04,-123.27 60.73 52.87 69
8 04/16/2023 20:47:52 -70.54, 43.53 119.77 04/16/2023 20:48:01 -70.53, 43.61 119.79 3.19 9
9 04/16/2023 21:38:35 70.38,-148.91 60.06 04/16/2023 21:37:25 70.37,-148.96 60.05 2.54 70
10 04/19/2023 08:50:59 70.60, 42.65 59.42 04/19/2023 08:52:09 70.60, 42.66 59.42 0.64 70
11 04/19/2023 09:41:41 -70.50,-149.87 120.70 04/19/2023 09:41:35 -70.47,-149.88 120.73 3.11 6
12 04/19/2023 10:32:15 69.87, 18.41 58.64 04/19/2023 10:31:06 69.93, 17.01 58.74 53.83 69

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/7/2023
SNOs_Map_NOAA-21_TERRA_20230407.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/07/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA