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: 9/8/2021
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 09/09/2021 07:42:06 -68.82,-117.60 116.48 09/09/2021 07:43:11 -68.79,-117.60 116.51 3.06 65
2 09/09/2021 08:32:50 68.69, 49.88 63.41 09/09/2021 08:32:38 68.68, 49.91 63.40 1.33 12
3 09/09/2021 09:23:25 -68.23,-142.21 117.04 09/09/2021 09:22:13 -68.29,-142.93 116.98 30.29 72
4 09/11/2021 23:58:59 -68.78, -1.79 115.50 09/11/2021 23:59:37 -68.78, -1.74 115.51 2.04 38
5 09/12/2021 00:49:42 68.60, 165.76 64.34 09/12/2021 00:49:05 68.61, 165.70 64.34 2.71 37
6 09/14/2021 15:25:19 69.27, -54.00 66.01 09/14/2021 15:26:29 69.14, -53.03 65.88 40.44 70
7 09/14/2021 16:15:52 -68.70, 114.10 114.56 09/14/2021 16:16:05 -68.71, 114.05 114.55 2.07 13
8 09/14/2021 17:06:36 68.58, -78.43 65.33 09/14/2021 17:05:32 68.59, -78.45 65.35 1.63 64
9 09/17/2021 07:42:05 68.81, 62.40 66.58 09/17/2021 07:43:02 68.79, 62.39 66.55 3.19 57
10 09/17/2021 08:32:46 -68.67,-130.09 113.56 09/17/2021 08:32:32 -68.69,-130.10 113.54 1.46 14
11 09/17/2021 09:23:19 67.96, 38.13 65.75 09/17/2021 09:22:09 68.00, 36.73 65.79 58.73 70
12 09/19/2021 23:58:58 68.74, 178.27 67.54 09/19/2021 23:59:29 68.75, 178.23 67.55 2.38 31
13 09/20/2021 00:49:40 -68.65, -14.29 112.54 09/20/2021 00:48:59 -68.66, -14.26 112.54 1.60 41

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/8/2021
SNOs_Map_NOAA-20_TERRA_20210908.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/08/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA