Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/16/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 02/18/2023 05:28:57 70.41, 93.59 82.19 02/18/2023 05:29:23 70.39, 93.67 82.17 3.39 26
2 02/18/2023 06:19:38 -70.27, -98.87 97.97 02/18/2023 06:18:50 -70.24, -98.90 97.99 3.32 48
3 02/20/2023 18:22:55 70.38, -99.84 81.25 02/20/2023 18:23:15 70.39, -99.82 81.26 1.86 20
4 02/20/2023 19:13:37 -70.28, 67.62 98.86 02/20/2023 19:12:41 -70.30, 67.70 98.84 3.50 56
5 02/23/2023 06:26:23 -71.25,-102.08 98.73 02/23/2023 06:27:30 -71.17, -99.80 98.92 82.24 67
6 02/23/2023 07:16:53 70.41, 66.62 80.36 02/23/2023 07:17:05 70.39, 66.69 80.33 3.28 12
7 02/23/2023 08:07:34 -70.26,-125.83 99.82 02/23/2023 08:06:32 -70.25,-125.87 99.81 1.70 62
8 02/25/2023 19:20:16 -70.97, 64.90 99.97 02/25/2023 19:21:26 -70.84, 66.21 100.17 50.16 70
9 02/25/2023 20:10:51 70.40,-126.85 79.41 02/25/2023 20:10:55 70.38,-126.81 79.39 2.63 4
10 02/25/2023 21:01:32 -70.24, 40.71 100.77 02/25/2023 21:00:22 -70.25, 40.65 100.76 2.08 70
11 02/28/2023 08:14:08 -70.66,-128.07 101.26 02/28/2023 08:15:19 -70.62,-127.60 101.34 18.04 71
12 02/28/2023 09:04:48 70.35, 39.74 78.40 02/28/2023 09:04:44 70.37, 39.70 78.42 2.74 4
13 02/28/2023 09:55:26 -70.03,-152.46 101.95 02/28/2023 09:54:14 -70.07,-153.07 101.87 23.71 72

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 2/16/2023
SNOs_Map_NOAA-20_TERRA_20230216.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 02/16/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA