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: 7/27/2023
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 07/29/2023 08:06:06 -70.81,-126.62 127.91 07/29/2023 08:06:28 -70.83,-126.66 127.90 2.72 22
2 07/29/2023 08:56:50 70.71, 40.86 51.99 07/29/2023 08:55:51 70.70, 40.81 51.99 2.16 59
3 07/31/2023 20:09:16 70.88,-127.51 52.76 07/31/2023 20:10:16 70.90,-127.54 52.77 2.44 60
4 07/31/2023 20:59:58 -70.78, 39.97 127.34 07/31/2023 20:59:42 -70.76, 39.91 127.35 2.88 16
5 07/31/2023 21:50:25 69.78,-151.16 51.62 07/31/2023 21:49:19 69.86,-153.72 51.83 98.56 66
6 08/03/2023 09:03:08 70.85, 39.06 53.38 08/03/2023 09:03:29 70.86, 39.07 53.38 0.43 21
7 08/03/2023 09:53:50 -70.75,-153.46 126.72 08/03/2023 09:52:54 -70.77,-153.40 126.69 3.12 56
8 08/05/2023 21:06:16 -70.93, 38.15 125.88 08/05/2023 21:07:19 -70.91, 38.17 125.91 2.15 63
9 08/05/2023 21:56:59 70.78,-154.30 53.98 08/05/2023 21:56:42 70.79,-154.36 53.99 2.41 17
10 08/05/2023 22:47:27 -69.95, 14.34 126.90 08/05/2023 22:46:20 -69.99, 12.14 126.74 83.85 67
11 08/08/2023 10:00:07 -70.87,-155.22 125.24 08/08/2023 10:00:31 -70.87,-155.22 125.25 0.54 24
12 08/08/2023 10:50:51 70.77, 12.25 54.67 08/08/2023 10:49:54 70.74, 12.25 54.65 3.14 57

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/27/2023
SNOs_Map_NOAA-21_TERRA_20230727.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/27/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA