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: 4/10/2020
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 04/11/2020 10:39:14 69.20, 17.64 60.55 04/11/2020 10:40:22 69.09, 19.53 60.41 75.65 68
2 04/11/2020 11:29:41 -68.32,-173.85 120.37 04/11/2020 11:30:04 -68.31,-173.81 120.38 1.96 23
3 04/11/2020 12:20:24 68.14, -6.31 59.43 04/11/2020 12:19:32 68.15, -6.36 59.44 2.50 52
4 04/14/2020 02:55:54 68.38, 134.52 58.74 04/14/2020 02:57:02 68.38, 134.52 58.72 0.70 68
5 04/14/2020 03:46:35 -68.25, -57.99 121.42 04/14/2020 03:46:32 -68.27, -57.97 121.40 2.75 3
6 04/14/2020 04:37:14 67.90, 109.75 58.22 04/14/2020 04:36:02 67.93, 109.28 58.26 20.24 72
7 04/16/2020 19:12:47 68.32,-109.62 57.71 04/16/2020 19:13:29 68.33,-109.64 57.72 1.69 42
8 04/16/2020 20:03:29 -68.23, 57.81 122.39 04/16/2020 20:02:59 -68.23, 57.86 122.40 2.38 30
9 04/19/2020 10:39:11 -69.12,-162.23 122.40 04/19/2020 10:40:19 -69.01,-160.56 122.53 67.55 68
10 04/19/2020 11:29:42 68.31, 6.16 56.77 04/19/2020 11:29:57 68.28, 6.18 56.74 3.29 15
11 04/19/2020 12:20:23 -68.16, 173.67 123.39 04/19/2020 12:19:27 -68.18, 173.69 123.38 2.00 56
12 04/22/2020 02:55:52 -68.36, -45.44 124.08 04/22/2020 02:56:58 -68.34, -45.50 124.10 2.84 66
13 04/22/2020 03:46:36 68.24, 122.02 55.80 04/22/2020 03:46:25 68.22, 122.00 55.77 2.60 11
14 04/22/2020 04:37:12 -67.83, -70.14 124.64 04/22/2020 04:36:00 -67.84, -70.81 124.62 27.93 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/10/2020
SNOs_Map_NPP_TERRA_20200410.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/10/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service