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: 3/23/2020
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 03/23/2020 19:12:44 -68.35, 70.35 113.17 03/23/2020 19:13:45 -68.36, 70.30 113.18 1.70 61
2 03/23/2020 20:03:28 68.22,-122.17 66.68 03/23/2020 20:03:12 68.24,-122.19 66.70 2.55 16
3 03/23/2020 20:54:01 -67.66, 45.84 113.91 03/23/2020 20:52:50 -67.69, 44.80 113.86 44.03 71
4 03/26/2020 11:29:39 -68.32,-173.84 114.27 03/26/2020 11:30:13 -68.35,-173.82 114.24 3.29 34
5 03/26/2020 12:20:23 68.18, -6.36 65.59 03/26/2020 12:19:41 68.17, -6.38 65.58 1.81 42
6 03/29/2020 02:55:57 68.63, 134.20 65.03 03/29/2020 02:57:09 68.54, 134.67 64.92 21.63 72
7 03/29/2020 03:46:34 -68.28, -58.02 115.35 03/29/2020 03:46:42 -68.28, -58.01 115.36 0.64 8
8 03/29/2020 04:37:18 68.15, 109.45 64.51 03/29/2020 04:36:09 68.15, 109.48 64.51 1.47 69
9 03/31/2020 19:12:47 68.33,-109.64 63.68 03/31/2020 19:13:40 68.35,-109.67 63.69 2.72 53
10 03/31/2020 20:03:29 -68.25, 57.79 116.43 03/31/2020 20:03:10 -68.26, 57.85 116.42 2.94 19
11 03/31/2020 20:53:59 67.36,-133.81 62.66 03/31/2020 20:52:50 67.40,-135.49 62.73 71.63 69
12 04/03/2020 11:29:41 68.30, 6.17 62.62 04/03/2020 11:30:07 68.33, 6.20 62.64 3.28 26
13 04/03/2020 12:20:22 -68.16, 173.67 117.55 04/03/2020 12:19:38 -68.18, 173.65 117.52 2.55 44
14 04/06/2020 02:55:55 -68.55, -45.70 118.14 04/06/2020 02:57:07 -68.49, -45.37 118.21 15.05 72
15 04/06/2020 03:46:36 68.28, 121.97 61.57 04/06/2020 03:46:36 68.25, 121.99 61.54 3.03 0

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/23/2020
SNOs_Map_NPP_TERRA_20200323.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/23/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service