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: 7/21/2021
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 07/23/2021 08:32:55 68.65, 49.95 48.59 07/23/2021 08:33:26 68.67, 49.91 48.60 2.56 31
2 07/23/2021 09:23:37 -68.56,-142.62 131.50 07/23/2021 09:22:56 -68.55,-142.59 131.50 1.55 41
3 07/25/2021 23:59:10 -69.02, -2.10 130.46 07/26/2021 00:00:21 -68.92, -1.53 130.59 25.60 71
4 07/26/2021 00:49:49 68.64, 165.73 49.15 07/26/2021 00:49:51 68.64, 165.76 49.15 1.45 2
5 07/26/2021 01:40:30 -68.50, -26.77 130.99 07/26/2021 01:39:22 -68.48, -26.80 131.00 2.58 68
6 07/28/2021 16:16:00 -68.75, 114.04 130.14 07/28/2021 16:16:50 -68.73, 114.11 130.17 3.54 50
7 07/28/2021 17:06:43 68.57, -78.42 49.70 07/28/2021 17:06:18 68.55, -78.46 49.68 2.96 25
8 07/28/2021 17:57:09 -67.62, 90.10 131.28 07/28/2021 17:56:01 -67.72, 88.20 131.12 80.95 68
9 07/31/2021 07:42:27 69.58, 61.33 51.37 07/31/2021 07:43:34 69.46, 63.31 51.19 77.78 67
10 07/31/2021 08:32:54 -68.68,-130.11 129.56 07/31/2021 08:33:16 -68.69,-130.05 129.55 2.68 22
11 07/31/2021 09:23:37 68.51, 37.43 50.28 07/31/2021 09:22:44 68.52, 37.38 50.29 1.93 53
12 08/02/2021 23:59:07 68.77, 178.23 51.21 08/03/2021 00:00:12 68.76, 178.28 51.19 2.55 65
13 08/03/2021 00:49:48 -68.62, -14.26 128.94 08/03/2021 00:49:43 -68.60, -14.28 128.96 2.31 5
14 08/03/2021 01:40:26 68.18, 153.62 50.62 08/03/2021 01:39:14 68.25, 152.95 50.72 28.79 72

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/21/2021
SNOs_Map_NOAA-20_TERRA_20210721.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/21/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA