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: 1/20/2023
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 01/20/2023 15:57:05 -70.31, 116.81 89.60 01/20/2023 15:57:47 -70.32, 116.74 89.59 3.18 42
2 01/20/2023 16:47:49 70.19, -75.70 90.27 01/20/2023 16:47:11 70.21, -75.77 90.30 3.22 38
3 01/23/2023 04:50:59 -70.37, -76.76 90.10 01/23/2023 04:51:46 -70.35, -76.75 90.13 1.87 47
4 01/23/2023 05:41:43 70.25, 90.72 89.77 01/23/2023 05:41:10 70.23, 90.74 89.75 2.64 33
5 01/25/2023 17:44:53 -70.38, 89.73 90.69 01/25/2023 17:45:45 -70.39, 89.79 90.70 2.27 52
6 01/25/2023 18:35:37 70.27,-102.79 89.19 01/25/2023 18:35:09 70.26,-102.74 89.18 2.26 28
7 01/28/2023 06:38:46 -70.36,-103.71 91.36 01/28/2023 06:39:44 -70.38,-103.73 91.34 3.13 58
8 01/28/2023 07:29:30 70.25, 63.77 88.52 01/28/2023 07:29:08 70.25, 63.73 88.53 1.41 22
9 01/28/2023 08:19:55 -69.26,-127.45 92.54 01/28/2023 08:18:49 -69.30,-129.91 92.38 96.83 66
10 01/30/2023 19:32:40 -70.39, 62.75 92.00 01/30/2023 19:33:42 -70.39, 62.76 92.02 0.58 62
11 01/30/2023 20:23:24 70.29,-129.77 87.89 01/30/2023 20:23:05 70.30,-129.70 87.90 3.04 19
12 01/30/2023 21:13:52 -69.45, 38.79 93.01 01/30/2023 21:12:44 -69.47, 36.81 92.89 77.58 68
13 02/02/2023 08:26:33 -70.39,-130.72 92.71 02/02/2023 08:27:39 -70.41,-130.72 92.71 1.88 66
14 02/02/2023 09:17:17 70.29, 36.75 87.17 02/02/2023 09:17:03 70.26, 36.72 87.15 3.40 14

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/20/2023
SNOs_Map_NOAA-21_TERRA_20230120.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/20/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA