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: 3/24/2020
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 -68.29,-173.81 114.29 03/26/2020 11:30:14 -68.31,-173.86 114.27 2.98 35
2 03/26/2020 12:20:24 68.21, -6.40 65.62 03/26/2020 12:19:41 68.20, -6.35 65.60 2.70 43
3 03/29/2020 02:55:57 68.66, 134.16 65.06 03/29/2020 02:57:08 68.57, 134.71 64.94 24.38 71
4 03/29/2020 03:46:33 -68.26, -57.99 115.38 03/29/2020 03:46:42 -68.24, -58.05 115.39 2.85 9
5 03/29/2020 04:37:17 68.13, 109.48 64.48 03/29/2020 04:36:09 68.12, 109.45 64.48 1.35 68
6 03/31/2020 19:12:47 68.36,-109.68 63.71 03/31/2020 19:13:39 68.38,-109.63 63.72 2.65 52
7 03/31/2020 20:03:28 -68.22, 57.82 116.45 03/31/2020 20:03:10 -68.23, 57.82 116.45 0.33 18
8 03/31/2020 20:53:58 67.34,-133.79 62.64 03/31/2020 20:52:50 67.37,-135.52 62.70 74.33 68
9 04/03/2020 11:29:41 68.28, 6.20 62.59 04/03/2020 11:30:08 68.30, 6.16 62.61 2.90 27
10 04/03/2020 12:20:23 -68.19, 173.63 117.52 04/03/2020 12:19:38 -68.21, 173.68 117.50 2.59 45
11 04/06/2020 02:55:56 -68.58, -45.74 118.11 04/06/2020 02:57:07 -68.51, -45.34 118.19 17.98 71
12 04/06/2020 03:46:36 68.25, 122.01 61.54 04/06/2020 03:46:36 68.27, 122.02 61.56 2.40 0
13 04/06/2020 04:37:17 -68.11, -70.49 118.62 04/06/2020 04:36:07 -68.13, -70.53 118.60 2.47 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/24/2020
SNOs_Map_NPP_TERRA_20200324.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/24/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service