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: 3/2/2020
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 03/05/2020 02:56:02 -69.24, -46.60 104.87 03/05/2020 02:57:09 -69.15, -44.64 105.03 78.38 67
2 03/05/2020 03:46:31 68.31, 121.96 74.15 03/05/2020 03:46:49 68.30, 121.96 74.14 0.76 18
3 03/05/2020 04:37:12 -68.18, -70.55 106.00 03/05/2020 04:36:19 -68.20, -70.53 105.97 2.81 53
4 03/07/2020 19:12:42 -68.40, 70.31 106.80 03/07/2020 19:13:49 -68.42, 70.34 106.78 3.24 67
5 03/07/2020 20:03:26 68.26,-122.21 73.06 03/07/2020 20:03:17 68.24,-122.23 73.03 2.71 9
6 03/07/2020 20:54:03 -67.92, 45.54 107.32 03/07/2020 20:52:50 -67.98, 45.09 107.24 20.04 73
7 03/10/2020 11:29:37 -68.35,-173.86 107.90 03/10/2020 11:30:17 -68.32,-173.88 107.93 2.88 40
8 03/10/2020 12:20:21 68.22, -6.39 71.96 03/10/2020 12:19:44 68.19, -6.39 71.94 2.94 37
9 03/13/2020 02:55:57 68.76, 134.04 71.49 03/13/2020 02:57:08 68.67, 134.80 71.37 32.70 71
10 03/13/2020 03:46:32 -68.30, -58.04 109.00 03/13/2020 03:46:43 -68.30, -58.01 109.01 1.17 11
11 03/13/2020 04:37:15 68.18, 109.43 70.86 03/13/2020 04:36:09 68.16, 109.47 70.85 2.33 66
12 03/15/2020 19:12:44 68.35,-109.64 70.00 03/15/2020 19:13:37 68.37,-109.65 70.02 2.84 53
13 03/15/2020 20:03:25 -68.21, 57.85 110.16 03/15/2020 20:03:08 -68.23, 57.81 110.14 3.16 17
14 03/15/2020 20:53:56 67.38,-133.82 68.98 03/15/2020 20:52:47 67.42,-135.48 69.06 71.10 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/2/2020
SNOs_Map_NPP_TERRA_20200303.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/02/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service