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: 12/23/2022
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 12/23/2022 17:13:18 70.26, -82.07 93.61 12/23/2022 17:13:37 70.28, -82.03 93.63 3.05 19
2 12/23/2022 18:04:00 -70.17, 85.38 86.48 12/23/2022 18:03:03 -70.16, 85.45 86.49 2.96 57
3 12/26/2022 06:07:13 70.28, 84.40 93.58 12/26/2022 06:07:43 70.28, 84.41 93.57 0.44 30
4 12/26/2022 06:57:54 -70.14,-108.06 86.58 12/26/2022 06:57:09 -70.16,-108.10 86.55 3.01 45
5 12/28/2022 19:01:09 70.31,-109.13 93.50 12/28/2022 19:01:49 70.30,-109.09 93.49 1.23 40
6 12/28/2022 19:51:50 -70.16, 58.41 86.66 12/28/2022 19:51:15 -70.19, 58.39 86.63 3.06 35
7 12/31/2022 07:55:04 70.29, 57.41 93.33 12/31/2022 07:55:55 70.31, 57.37 93.35 3.27 51
8 12/31/2022 08:45:46 -70.19,-135.12 86.78 12/31/2022 08:45:21 -70.19,-135.15 86.78 1.01 25
9 01/02/2023 20:49:00 70.33,-136.14 93.16 01/02/2023 20:50:00 70.35,-136.11 93.18 3.16 60
10 01/02/2023 21:39:42 -70.23, 31.33 86.95 01/02/2023 21:39:26 -70.24, 31.37 86.94 1.53 16
11 01/02/2023 22:30:11 69.32,-160.02 92.12 01/02/2023 22:29:04 69.33,-162.20 92.20 85.57 67
12 01/05/2023 09:42:56 70.37, 30.30 92.96 01/05/2023 09:44:05 70.37, 30.38 92.95 2.65 69
13 01/05/2023 10:33:38 -70.27,-162.22 87.15 01/05/2023 10:33:31 -70.26,-162.14 87.17 3.42 7
14 01/05/2023 11:24:13 69.69, 5.96 92.24 01/05/2023 11:23:02 69.74, 4.80 92.34 45.24 71

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 12/23/2022
SNOs_Map_NOAA-21_TERRA_20221223.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 12/23/2022 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA