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: 3/25/2020
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 03/26/2020 11:29:39 -68.30,-173.81 114.29 03/26/2020 11:30:14 -68.30,-173.87 114.28 2.46 35
2 03/26/2020 12:20:24 68.22, -6.40 65.62 03/26/2020 12:19:41 68.19, -6.36 65.60 3.24 43
3 03/29/2020 02:55:58 68.66, 134.16 65.06 03/29/2020 02:57:09 68.56, 134.69 64.94 24.74 71
4 03/29/2020 03:46:34 -68.26, -58.00 115.37 03/29/2020 03:46:42 -68.29, -58.00 115.35 2.77 8
5 03/29/2020 04:37:17 68.13, 109.48 64.48 03/29/2020 04:36:09 68.11, 109.44 64.47 2.42 68
6 03/31/2020 19:12:47 68.37,-109.68 63.71 03/31/2020 19:13:39 68.37,-109.65 63.71 1.39 52
7 03/31/2020 20:03:28 -68.23, 57.81 116.44 03/31/2020 20:03:10 -68.21, 57.80 116.46 2.28 18
8 03/31/2020 20:53:58 67.35,-133.79 62.64 03/31/2020 20:52:49 67.42,-135.47 62.75 72.25 69
9 04/03/2020 11:29:41 68.29, 6.19 62.60 04/03/2020 11:30:08 68.28, 6.14 62.59 2.13 27
10 04/03/2020 12:20:23 -68.20, 173.62 117.51 04/03/2020 12:19:38 -68.19, 173.66 117.52 2.39 45
11 04/06/2020 02:55:55 -68.55, -45.68 118.15 04/06/2020 02:57:07 -68.49, -45.37 118.21 14.29 72
12 04/06/2020 03:46:36 68.27, 121.99 61.56 04/06/2020 03:46:36 68.25, 121.99 61.54 1.50 0
13 04/06/2020 04:37:17 -68.12, -70.51 118.61 04/06/2020 04:36:07 -68.10, -70.56 118.62 2.89 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/25/2020
SNOs_Map_NPP_TERRA_20200326.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/25/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service