Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/15/2021
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 02/17/2021 10:38:51 -68.43,-161.28 99.79 02/17/2021 10:39:24 -68.43,-161.25 99.79 1.47 33
2 02/17/2021 11:29:34 68.25, 6.25 80.03 02/17/2021 11:28:52 68.26, 6.19 80.04 2.73 42
3 02/20/2021 02:05:08 68.74, 146.77 79.60 02/20/2021 02:06:19 68.64, 147.25 79.47 22.32 71
4 02/20/2021 02:55:45 -68.38, -45.44 100.79 02/20/2021 02:55:52 -68.37, -45.45 100.81 1.17 7
5 02/20/2021 03:46:29 68.26, 122.02 79.08 02/20/2021 03:45:19 68.25, 122.06 79.07 1.87 70
6 02/22/2021 18:21:58 68.47, -97.11 78.35 02/22/2021 18:22:49 68.45, -97.10 78.32 2.62 51
7 02/22/2021 19:12:39 -68.33, 70.39 101.82 02/22/2021 19:12:19 -68.35, 70.42 101.80 2.64 20
8 02/22/2021 20:03:08 67.40,-121.15 77.21 02/22/2021 20:02:00 67.44,-122.99 77.32 78.54 68
9 02/25/2021 09:48:26 -69.56,-150.14 101.50 02/25/2021 09:49:32 -69.44,-147.61 101.71 99.60 66
10 02/25/2021 10:38:51 68.43, 18.72 77.31 02/25/2021 10:39:15 68.43, 18.76 77.30 1.77 24
11 02/25/2021 11:29:32 -68.28,-173.78 102.86 02/25/2021 11:28:46 -68.27,-173.79 102.86 1.16 46
12 02/28/2021 02:05:03 -68.61, -33.06 103.50 02/28/2021 02:06:14 -68.58, -32.82 103.55 10.14 71
13 02/28/2021 02:55:45 68.39, 134.54 76.26 02/28/2021 02:55:42 68.40, 134.61 76.27 2.99 3
14 02/28/2021 03:46:26 -68.24, -57.95 103.91 02/28/2021 03:45:13 -68.25, -57.94 103.90 1.07 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/15/2021
SNOs_Map_NPP_TERRA_20210215.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/15/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA