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: 3/4/2023
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 03/04/2023 19:13:29 -70.42, 67.42 103.23 03/04/2023 19:14:19 -70.43, 67.34 103.22 3.38 50
2 03/04/2023 20:04:13 70.30,-125.10 76.64 03/04/2023 20:03:42 70.31,-125.18 76.65 3.04 31
3 03/07/2023 08:07:24 -70.43,-126.09 104.20 03/07/2023 08:08:07 -70.45,-126.11 104.19 1.65 43
4 03/07/2023 08:58:08 70.32, 41.39 75.68 03/07/2023 08:57:30 70.31, 41.36 75.67 1.55 38
5 03/09/2023 21:01:19 -70.46, 40.38 105.16 03/09/2023 21:01:54 -70.46, 40.44 105.17 2.35 35
6 03/09/2023 21:52:02 70.30,-152.06 74.66 03/09/2023 21:51:17 70.33,-152.09 74.69 2.97 45
7 03/12/2023 09:55:13 -70.45,-153.08 106.18 03/12/2023 09:55:41 -70.43,-153.07 106.20 2.00 28
8 03/12/2023 10:45:57 70.34, 14.39 73.70 03/12/2023 10:45:03 70.35, 14.47 73.71 2.93 54
9 03/14/2023 21:58:41 71.39,-155.45 73.83 03/14/2023 21:59:47 71.25,-152.95 73.58 90.43 66
10 03/14/2023 22:49:07 -70.45, 13.44 107.18 03/14/2023 22:49:26 -70.46, 13.51 107.18 2.94 19
11 03/14/2023 23:39:50 70.29,-179.01 72.64 03/14/2023 23:38:49 70.32,-179.04 72.67 2.52 61
12 03/17/2023 10:52:27 71.04, 11.68 72.45 03/17/2023 10:53:36 70.95, 13.14 72.30 53.61 69
13 03/17/2023 11:42:59 -70.41,-179.98 108.24 03/17/2023 11:43:10 -70.44,-179.98 108.21 3.56 11
14 03/17/2023 12:33:43 70.31, -12.51 71.65 03/17/2023 12:32:33 70.29, -12.53 71.65 1.80 70

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/4/2023
SNOs_Map_NOAA-21_TERRA_20230304.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/04/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA