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: 3/15/2020
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 03/15/2020 20:54:02 67.68,-134.18 69.29 03/15/2020 20:52:51 67.77,-135.13 69.40 40.99 71
2 03/18/2020 11:29:40 68.34, 6.14 68.93 03/18/2020 11:30:16 68.32, 6.13 68.91 1.77 36
3 03/18/2020 12:20:21 -68.21, 173.62 111.23 03/18/2020 12:19:46 -68.22, 173.65 111.21 1.86 35
4 03/21/2020 02:56:00 -68.91, -46.17 111.53 03/21/2020 02:57:10 -68.83, -45.00 111.65 47.62 70
5 03/21/2020 03:46:35 68.30, 121.95 67.83 03/21/2020 03:46:44 68.32, 122.01 67.84 2.97 9
6 03/21/2020 04:37:16 -68.17, -70.56 112.33 03/21/2020 04:36:15 -68.17, -70.54 112.33 1.20 61
7 03/23/2020 19:12:45 -68.40, 70.29 113.13 03/23/2020 19:13:45 -68.38, 70.33 113.15 2.60 60
8 03/23/2020 20:03:29 68.27,-122.24 66.73 03/23/2020 20:03:12 68.25,-122.18 66.71 3.18 17
9 03/23/2020 20:54:01 -67.65, 45.85 113.92 03/23/2020 20:52:50 -67.71, 44.82 113.83 44.06 71
10 03/26/2020 11:29:39 -68.31,-173.83 114.27 03/26/2020 11:30:14 -68.31,-173.86 114.27 1.48 35
11 03/26/2020 12:20:23 68.19, -6.36 65.59 03/26/2020 12:19:41 68.18, -6.37 65.59 0.63 42
12 03/29/2020 02:55:58 68.69, 134.12 65.09 03/29/2020 02:57:08 68.61, 134.75 64.99 27.05 70
13 03/29/2020 03:46:34 -68.28, -58.02 115.35 03/29/2020 03:46:42 -68.30, -57.99 115.34 2.37 8
14 03/29/2020 04:37:18 68.16, 109.44 64.51 03/29/2020 04:36:09 68.17, 109.50 64.52 2.30 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/15/2020
SNOs_Map_NPP_TERRA_20200316.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/15/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service