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: 3/13/2023
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 03/14/2023 21:58:39 71.33,-155.34 73.77 03/14/2023 21:59:45 71.23,-152.97 73.56 85.10 66
2 03/14/2023 22:49:06 -70.45, 13.44 107.18 03/14/2023 22:49:24 -70.43, 13.47 107.21 2.67 18
3 03/14/2023 23:39:49 70.29,-179.00 72.63 03/14/2023 23:38:47 70.29,-179.06 72.65 2.64 62
4 03/17/2023 10:52:25 71.00, 11.75 72.41 03/17/2023 10:53:34 70.88, 13.04 72.23 48.39 69
5 03/17/2023 11:42:58 -70.43, 179.99 108.21 03/17/2023 11:43:07 -70.41, 179.99 108.23 1.94 9
6 03/17/2023 12:33:42 70.32, -12.53 71.66 03/17/2023 12:32:29 70.33, -12.47 71.68 2.60 73
7 03/19/2023 23:46:11 70.63, 178.88 71.00 03/19/2023 23:47:22 70.59, 179.15 70.95 10.66 71
8 03/20/2023 00:36:51 -70.43, -13.48 109.23 03/20/2023 00:36:50 -70.40, -13.48 109.26 2.91 1
9 03/20/2023 01:27:28 69.95, 154.56 70.26 03/20/2023 01:26:17 70.04, 153.67 70.40 35.42 71
10 03/22/2023 12:40:02 70.54, -14.44 69.90 03/22/2023 12:41:05 70.53, -14.39 69.88 2.16 63
11 03/22/2023 13:30:43 -70.38, 153.11 110.28 03/22/2023 13:30:32 -70.39, 153.05 110.27 2.27 11
12 03/22/2023 14:21:14 69.59, -38.38 68.88 03/22/2023 14:20:06 69.64, -40.32 69.01 75.41 68
13 03/25/2023 01:33:54 70.51, 152.12 68.87 03/25/2023 01:34:46 70.52, 152.15 68.86 1.40 52
14 03/25/2023 02:24:36 -70.41, -40.40 111.26 03/25/2023 02:24:13 -70.38, -40.40 111.29 3.50 23

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/13/2023
SNOs_Map_NOAA-21_TERRA_20230313.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/13/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA