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: 4/12/2020
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 04/14/2020 02:55:54 68.39, 134.51 58.74 04/14/2020 02:57:02 68.37, 134.51 58.71 2.13 68
2 04/14/2020 03:46:35 -68.25, -57.99 121.41 04/14/2020 03:46:32 -68.26, -57.99 121.41 0.31 3
3 04/14/2020 04:37:15 67.91, 109.75 58.23 04/14/2020 04:36:02 67.98, 109.33 58.30 19.33 73
4 04/16/2020 19:12:47 68.32,-109.63 57.72 04/16/2020 19:13:29 68.31,-109.67 57.71 1.76 42
5 04/16/2020 20:03:28 -68.18, 57.87 122.44 04/16/2020 20:02:59 -68.20, 57.84 122.42 2.75 29
6 04/19/2020 10:39:10 -69.07,-162.17 122.44 04/19/2020 10:40:19 -68.98,-160.60 122.55 63.29 69
7 04/19/2020 11:29:42 68.31, 6.16 56.77 04/19/2020 11:29:56 68.31, 6.22 56.77 2.41 14
8 04/19/2020 12:20:23 -68.17, 173.66 123.39 04/19/2020 12:19:27 -68.15, 173.66 123.41 2.33 56
9 04/22/2020 02:55:52 -68.36, -45.45 124.07 04/22/2020 02:56:57 -68.36, -45.48 124.08 1.28 65
10 04/22/2020 03:46:36 68.25, 122.01 55.80 04/22/2020 03:46:24 68.24, 122.03 55.79 0.97 12
11 04/22/2020 04:37:11 -67.78, -70.08 124.69 04/22/2020 04:35:59 -67.86, -70.79 124.60 30.86 72
12 04/24/2020 19:12:47 -68.35, 70.34 124.97 04/24/2020 19:13:24 -68.34, 70.40 124.98 2.73 37
13 04/24/2020 20:03:30 68.19,-122.14 54.85 04/24/2020 20:02:52 68.17,-122.17 54.83 2.62 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/12/2020
SNOs_Map_NPP_TERRA_20200413.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/12/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service