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: 3/28/2020
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 03/29/2020 02:55:57 68.63, 134.20 65.03 03/29/2020 02:57:09 68.53, 134.66 64.91 21.80 72
2 03/29/2020 03:46:34 -68.29, -58.03 115.34 03/29/2020 03:46:42 -68.26, -58.04 115.38 3.26 8
3 03/29/2020 04:37:18 68.15, 109.45 64.51 03/29/2020 04:36:09 68.14, 109.47 64.50 1.45 69
4 03/31/2020 19:12:47 68.34,-109.64 63.68 03/31/2020 19:13:40 68.34,-109.69 63.68 1.86 53
5 03/31/2020 20:03:29 -68.26, 57.78 116.42 03/31/2020 20:03:10 -68.24, 57.82 116.44 3.02 19
6 03/31/2020 20:53:58 67.31,-133.76 62.61 03/31/2020 20:52:50 67.39,-135.51 62.72 75.48 68
7 04/03/2020 11:29:41 68.31, 6.16 62.62 04/03/2020 11:30:07 68.30, 6.16 62.61 0.63 26
8 04/03/2020 12:20:22 -68.17, 173.65 117.54 04/03/2020 12:19:38 -68.15, 173.61 117.56 3.32 44
9 04/06/2020 02:55:55 -68.57, -45.72 118.12 04/06/2020 02:57:06 -68.50, -45.36 118.21 16.51 71
10 04/06/2020 03:46:36 68.29, 121.96 61.58 04/06/2020 03:46:35 68.26, 122.00 61.55 3.01 1
11 04/06/2020 04:37:17 -68.15, -70.54 118.58 04/06/2020 04:36:05 -68.17, -70.48 118.56 3.47 72
12 04/08/2020 19:12:46 -68.33, 70.37 119.37 04/08/2020 19:13:36 -68.34, 70.34 119.36 1.78 50
13 04/08/2020 20:03:30 68.21,-122.17 60.50 04/08/2020 20:03:03 68.22,-122.16 60.50 0.85 27
14 04/08/2020 20:53:56 -67.26, 46.31 120.49 04/08/2020 20:52:48 -67.29, 44.40 120.43 82.08 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/28/2020
SNOs_Map_NPP_TERRA_20200328.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/28/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service