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: 1/23/2023
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 -70.35, -76.73 90.12 01/23/2023 04:51:46 -70.37, -76.72 90.11 2.64 47
2 01/23/2023 05:41:43 70.23, 90.76 89.75 01/23/2023 05:41:10 70.25, 90.77 89.78 2.59 33
3 01/25/2023 17:44:53 -70.36, 89.76 90.71 01/25/2023 17:45:46 -70.36, 89.74 90.73 1.14 53
4 01/25/2023 18:35:37 70.25,-102.76 89.17 01/25/2023 18:35:10 70.23,-102.78 89.15 2.23 27
5 01/28/2023 06:38:47 -70.39,-103.76 91.32 01/28/2023 06:39:44 -70.41,-103.70 91.32 3.08 57
6 01/28/2023 07:29:31 70.28, 63.72 88.56 01/28/2023 07:29:08 70.28, 63.77 88.55 2.11 23
7 01/28/2023 08:19:56 -69.29,-127.50 92.50 01/28/2023 08:18:49 -69.33,-129.87 92.35 93.36 67
8 01/30/2023 19:32:40 -70.38, 62.78 92.01 01/30/2023 19:33:43 -70.37, 62.72 92.04 2.53 63
9 01/30/2023 20:23:23 70.27,-129.75 87.87 01/30/2023 20:23:05 70.28,-129.74 87.88 1.24 18
10 01/30/2023 21:13:51 -69.44, 38.81 93.02 01/30/2023 21:12:43 -69.51, 36.84 92.86 77.20 68
11 02/02/2023 08:26:32 -70.38,-130.70 92.73 02/02/2023 08:27:39 -70.39,-130.75 92.73 2.48 67
12 02/02/2023 09:17:16 70.27, 36.78 87.16 02/02/2023 09:17:02 70.30, 36.78 87.18 2.90 14
13 02/02/2023 10:07:47 -69.60,-154.89 93.57 02/02/2023 10:06:38 -69.64,-156.49 93.45 62.13 69
14 02/04/2023 21:20:26 -70.44, 35.73 93.41 02/04/2023 21:21:35 -70.42, 35.79 93.44 2.78 69
15 02/04/2023 22:11:09 70.28,-156.72 86.42 02/04/2023 22:10:59 70.27,-156.77 86.41 2.21 10

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/23/2023
SNOs_Map_NOAA-21_TERRA_20230123.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/23/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA