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: 1/19/2021
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 01/20/2021 10:13:49 -68.45,-155.04 91.59 01/20/2021 10:15:00 -68.44,-155.07 91.61 1.95 71
2 01/20/2021 11:04:33 68.32, 12.43 88.28 01/20/2021 11:04:27 68.33, 12.44 88.28 0.79 6
3 01/20/2021 11:55:12 -68.08,-179.94 91.99 01/20/2021 11:53:59 -68.10, 179.81 91.95 10.58 73
4 01/23/2021 02:30:44 -68.44, -39.25 92.21 01/23/2021 02:31:28 -68.42, -39.21 92.23 2.44 44
5 01/23/2021 03:21:27 68.26, 128.29 87.60 01/23/2021 03:20:56 68.25, 128.23 87.60 2.62 31
6 01/23/2021 04:11:50 -67.15, -63.04 93.55 01/23/2021 04:10:43 -67.19, -65.34 93.44 99.48 67
7 01/25/2021 17:57:08 69.10, -91.69 87.85 01/25/2021 17:58:17 69.00, -90.24 87.70 58.65 69
8 01/25/2021 18:47:38 -68.37, 76.61 92.92 01/25/2021 18:47:56 -68.40, 76.64 92.90 3.09 18
9 01/25/2021 19:38:22 68.25,-115.93 86.95 01/25/2021 19:37:24 68.22,-115.92 86.93 2.83 58
10 01/28/2021 10:13:51 68.45, 24.96 86.49 01/28/2021 10:14:54 68.47, 24.98 86.50 1.93 63
11 01/28/2021 11:04:32 -68.31,-167.54 93.67 01/28/2021 11:04:25 -68.31,-167.58 93.67 1.74 7
12 01/28/2021 11:55:09 67.81, 0.40 85.81 01/28/2021 11:53:58 67.86, -0.47 85.88 36.68 71
13 01/31/2021 02:30:44 68.40, 140.80 85.71 01/31/2021 02:31:22 68.38, 140.75 85.68 3.20 38
14 01/31/2021 03:21:26 -68.30, -51.76 94.41 01/31/2021 03:20:52 -68.28, -51.74 94.43 2.80 34

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 1/19/2021
SNOs_Map_NOAA-20_TERRA_20210119.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 01/19/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA