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: 5/24/2023
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 05/25/2023 08:02:17 -70.79,-125.16 130.19 05/25/2023 08:02:39 -70.77,-125.11 130.22 2.96 22
2 05/25/2023 08:53:01 70.67, 42.35 49.68 05/25/2023 08:52:02 70.67, 42.41 49.69 2.46 59
3 05/27/2023 20:05:29 70.82,-126.01 49.42 05/27/2023 20:06:39 70.85,-126.02 49.44 3.16 70
4 05/27/2023 20:56:11 -70.74, 41.44 130.68 05/27/2023 20:56:04 -70.76, 41.50 130.66 3.08 7
5 05/27/2023 21:46:45 70.09,-150.22 48.65 05/27/2023 21:45:36 70.16,-151.71 48.76 56.86 69
6 05/30/2023 08:59:23 70.79, 40.58 48.98 05/30/2023 09:00:04 70.81, 40.54 49.00 2.95 41
7 05/30/2023 09:50:05 -70.70,-151.96 131.11 05/30/2023 09:49:29 -70.73,-151.93 131.09 3.15 36
8 06/01/2023 21:02:47 -71.60, 38.40 130.52 06/01/2023 21:03:54 -71.51, 40.61 130.67 78.25 67
9 06/01/2023 21:53:18 70.81,-152.93 48.65 06/01/2023 21:53:28 70.80,-152.85 48.63 3.08 10
10 06/01/2023 22:43:59 -70.67, 14.62 131.50 06/01/2023 22:42:54 -70.67, 14.61 131.50 0.56 65
11 06/04/2023 09:56:27 -70.85,-153.77 131.62 06/04/2023 09:57:30 -70.83,-153.84 131.65 3.27 63
12 06/04/2023 10:47:10 70.73, 13.73 48.26 06/04/2023 10:46:51 70.76, 13.71 48.28 2.65 19
13 06/04/2023 11:37:37 -69.86,-177.58 132.66 06/04/2023 11:36:30 -69.92,-179.84 132.52 86.72 67
14 06/06/2023 22:50:20 -70.82, 12.80 131.92 06/06/2023 22:50:52 -70.82, 12.78 131.92 0.67 32
15 06/06/2023 23:41:04 70.72,-179.71 47.97 06/06/2023 23:40:14 70.74,-179.68 48.00 3.38 50

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 5/24/2023
SNOs_Map_NOAA-20_TERRA_20230525.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 05/24/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA