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: 1/21/2023
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 01/23/2023 04:50:59 -70.33, -76.70 90.15 01/23/2023 04:51:47 -70.34, -76.77 90.14 2.66 48
2 01/23/2023 05:41:43 70.21, 90.79 89.73 01/23/2023 05:41:11 70.22, 90.72 89.74 2.54 32
3 01/25/2023 17:44:54 -70.40, 89.71 90.68 01/25/2023 17:45:46 -70.37, 89.77 90.71 3.31 52
4 01/25/2023 18:35:36 70.23,-102.73 89.15 01/25/2023 18:35:09 70.25,-102.75 89.17 2.09 27
5 01/28/2023 06:38:46 -70.37,-103.73 91.34 01/28/2023 06:39:44 -70.37,-103.76 91.36 1.04 58
6 01/28/2023 07:29:30 70.26, 63.75 88.54 01/28/2023 07:29:08 70.23, 63.71 88.51 3.37 22
7 01/28/2023 08:19:55 -69.27,-127.47 92.52 01/28/2023 08:18:48 -69.34,-129.85 92.34 94.05 67
8 01/30/2023 19:32:39 -70.36, 62.81 92.04 01/30/2023 19:33:42 -70.37, 62.74 92.03 3.32 63
9 01/30/2023 20:23:24 70.30,-129.80 87.90 01/30/2023 20:23:05 70.29,-129.73 87.88 3.17 19
10 01/30/2023 21:13:51 -69.42, 38.85 93.05 01/30/2023 21:12:43 -69.51, 36.86 92.86 78.38 68
11 02/02/2023 08:26:33 -70.41,-130.74 92.70 02/02/2023 08:27:39 -70.39,-130.75 92.73 1.97 66
12 02/02/2023 09:17:17 70.30, 36.73 87.19 02/02/2023 09:17:02 70.30, 36.78 87.18 2.01 15

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/21/2023
SNOs_Map_NOAA-21_TERRA_20230121.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/21/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA