Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/8/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/09/2023 20:05:18 70.87,-126.14 63.14 04/09/2023 20:06:29 70.80,-125.55 63.05 22.67 71
2 04/09/2023 20:55:56 -70.56, 41.68 117.20 04/09/2023 20:55:57 -70.57, 41.75 117.20 2.64 1
3 04/09/2023 21:46:36 70.24,-150.50 62.45 04/09/2023 21:45:23 70.30,-150.98 62.53 19.11 73
4 04/12/2023 08:59:11 70.63, 40.76 61.95 04/12/2023 09:00:08 70.63, 40.77 61.94 0.43 57
5 04/12/2023 09:49:53 -70.54,-151.76 118.17 04/12/2023 09:49:34 -70.51,-151.76 118.20 3.34 19
6 04/14/2023 21:53:08 70.62,-152.69 61.01 04/14/2023 21:53:44 70.60,-152.70 60.98 2.65 36
7 04/14/2023 22:43:50 -70.52, 14.79 119.11 04/14/2023 22:43:09 -70.52, 14.84 119.10 1.95 41
8 04/17/2023 09:56:36 -71.49,-154.97 118.97 04/17/2023 09:57:43 -71.39,-152.56 119.14 86.10 67
9 04/17/2023 10:47:05 70.61, 13.84 60.10 04/17/2023 10:47:19 70.58, 13.85 60.06 3.45 14
10 04/17/2023 11:37:47 -70.51,-178.68 120.03 04/17/2023 11:36:44 -70.50,-178.61 120.03 2.70 63
11 04/19/2023 22:50:18 -70.71, 12.89 120.68 04/19/2023 22:51:30 -70.69, 12.94 120.71 3.08 72
12 04/19/2023 23:41:01 70.56,-179.55 59.15 04/19/2023 23:40:53 70.58,-179.56 59.18 3.31 8

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/8/2023
SNOs_Map_NOAA-20_TERRA_20230408.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/08/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA