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: 7/30/2021
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 07/31/2021 07:42:29 69.71, 61.14 51.51 07/31/2021 07:43:36 69.60, 63.47 51.33 90.87 67
2 07/31/2021 08:32:53 -68.67,-130.08 129.57 07/31/2021 08:33:21 -68.66,-130.11 129.59 1.58 28
3 07/31/2021 09:23:37 68.54, 37.40 50.31 07/31/2021 09:22:48 68.55, 37.40 50.32 1.13 49
4 08/02/2021 23:59:07 68.80, 178.19 51.24 08/03/2021 00:00:17 68.80, 178.31 51.23 4.87 70
5 08/03/2021 00:49:48 -68.66, -14.30 128.90 08/03/2021 00:49:48 -68.64, -14.26 128.92 2.98 0
6 08/03/2021 01:40:29 68.37, 153.38 50.82 08/03/2021 01:39:17 68.41, 153.11 50.87 11.79 72
7 08/05/2021 16:16:01 68.74, -65.96 51.90 08/05/2021 16:16:45 68.72, -65.91 51.87 3.06 44
8 08/05/2021 17:06:42 -68.60, 101.54 128.24 08/05/2021 17:06:15 -68.61, 101.59 128.23 2.44 27
9 08/08/2021 07:42:25 -69.55,-118.63 126.53 08/08/2021 07:43:33 -69.47,-116.71 126.67 75.00 68
10 08/08/2021 08:32:55 68.69, 49.88 52.59 08/08/2021 08:33:12 68.69, 49.93 52.58 1.86 17
11 08/08/2021 09:23:36 -68.54,-142.61 127.55 08/08/2021 09:22:43 -68.53,-142.63 127.57 1.97 53
12 08/10/2021 23:59:04 -68.75, -1.74 126.58 08/11/2021 00:00:11 -68.77, -1.74 126.57 2.14 67
13 08/11/2021 00:49:48 68.63, 165.72 53.31 08/11/2021 00:49:38 68.65, 165.76 53.32 2.26 10
14 08/11/2021 01:40:25 -68.28, -26.49 127.05 08/11/2021 01:39:12 -68.33, -27.00 126.99 21.57 73

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/30/2021
SNOs_Map_NOAA-20_TERRA_20210730.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/30/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA