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: 7/20/2023
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 07/21/2023 18:15:15 70.86, -98.96 50.50 07/21/2023 18:16:08 70.84, -98.98 50.47 2.34 53
2 07/21/2023 19:05:57 -70.76, 68.51 129.60 07/21/2023 19:05:33 -70.77, 68.57 129.59 2.32 24
3 07/24/2023 06:18:40 -71.79,-101.37 127.99 07/24/2023 06:19:46 -71.70, -98.62 128.22 96.32 66
4 07/24/2023 07:09:07 70.81, 67.65 50.96 07/24/2023 07:09:23 70.80, 67.62 50.95 1.65 16
5 07/24/2023 07:59:49 -70.71,-124.87 129.14 07/24/2023 07:58:48 -70.73,-124.83 129.11 2.83 61
6 07/26/2023 19:12:15 -70.86, 66.78 128.45 07/26/2023 19:13:15 -70.87, 66.73 128.45 2.08 60
7 07/26/2023 20:02:59 70.76,-125.75 51.46 07/26/2023 20:02:37 70.78,-125.74 51.48 2.23 22
8 07/26/2023 20:53:24 -69.77, 43.12 129.59 07/26/2023 20:52:18 -69.83, 40.56 129.39 98.65 66
9 07/29/2023 08:06:07 -70.82,-126.63 127.91 07/29/2023 08:06:29 -70.82,-126.67 127.91 1.76 22
10 07/29/2023 08:56:51 70.72, 40.84 52.00 07/29/2023 08:55:51 70.74, 40.86 52.02 1.97 60
11 07/31/2023 20:09:16 70.89,-127.53 52.78 07/31/2023 20:10:16 70.88,-127.57 52.75 1.76 60
12 07/31/2023 20:59:58 -70.78, 39.96 127.33 07/31/2023 20:59:41 -70.81, 39.97 127.31 2.73 17

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/20/2023
SNOs_Map_NOAA-21_TERRA_20230720.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/20/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA