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 -68.33,-173.86 114.25 03/26/2020 11:30:13 -68.33,-173.84 114.26 0.93 34
2 03/26/2020 12:20:23 68.20, -6.38 65.60 03/26/2020 12:19:40 68.21, -6.34 65.61 2.11 43
3 03/29/2020 02:55:57 68.65, 134.18 65.04 03/29/2020 02:57:08 68.58, 134.72 64.95 22.99 71
4 03/29/2020 03:46:34 -68.30, -58.04 115.34 03/29/2020 03:46:41 -68.31, -57.98 115.33 2.98 7
5 03/29/2020 04:37:17 68.11, 109.50 64.47 03/29/2020 04:36:09 68.13, 109.46 64.49 2.70 68
6 03/31/2020 19:12:47 68.35,-109.66 63.69 03/31/2020 19:13:40 68.33,-109.70 63.66 2.98 53
7 03/31/2020 20:03:28 -68.21, 57.84 116.47 03/31/2020 20:03:10 -68.23, 57.82 116.45 2.23 18
8 03/31/2020 20:53:58 67.32,-133.77 62.62 03/31/2020 20:52:50 67.37,-135.52 62.71 75.20 68
9 04/03/2020 11:29:42 68.32, 6.15 62.63 04/03/2020 11:30:08 68.29, 6.15 62.60 2.87 26
10 04/03/2020 12:20:23 -68.18, 173.65 117.53 04/03/2020 12:19:38 -68.20, 173.67 117.51 2.43 45
11 04/06/2020 02:55:55 -68.57, -45.72 118.12 04/06/2020 02:57:06 -68.49, -45.36 118.21 16.70 71
12 04/06/2020 03:46:35 68.24, 122.02 61.53 04/06/2020 03:46:35 68.25, 121.99 61.54 2.27 0
13 04/06/2020 04:37:17 -68.15, -70.54 118.58 04/06/2020 04:36:05 -68.16, -70.48 118.57 2.91 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/25/2020
SNOs_Map_NPP_TERRA_20200325.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