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: 12/26/2019
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 12/26/2019 18:22:13 -68.98, 82.26 87.77 12/26/2019 18:23:23 -68.87, 83.46 87.90 49.60 70
2 12/26/2019 19:12:47 68.32,-109.56 91.57 12/26/2019 19:12:58 68.32,-109.57 91.57 0.36 11
3 12/26/2019 20:03:28 -68.19, 57.93 88.58 12/26/2019 20:02:28 -68.21, 57.92 88.56 2.13 60
4 12/29/2019 10:38:56 -68.43,-161.23 88.45 12/29/2019 10:40:00 -68.42,-161.22 88.47 1.37 64
5 12/29/2019 11:29:40 68.31, 6.23 91.43 12/29/2019 11:29:27 68.31, 6.30 91.43 2.81 13
6 12/29/2019 12:20:15 -67.85, 174.13 89.04 12/29/2019 12:19:03 -67.87, 173.40 89.02 30.63 72
7 01/01/2020 02:55:47 -68.36, -45.37 88.70 01/01/2020 02:56:29 -68.35, -45.42 88.71 2.44 42
8 01/01/2020 03:46:31 68.25, 122.09 91.19 01/01/2020 03:45:56 68.24, 122.10 91.19 0.28 35
9 01/03/2020 18:22:10 69.09, -97.88 91.83 01/03/2020 18:23:19 68.95, -96.43 91.66 59.54 69
10 01/03/2020 19:12:40 -68.35, 70.43 88.94 01/03/2020 19:12:58 -68.34, 70.44 88.95 1.41 18
11 01/03/2020 20:03:23 68.18,-122.05 90.89 01/03/2020 20:02:26 68.17,-122.11 90.88 2.74 57
12 01/06/2020 10:38:51 68.44, 18.77 90.88 01/06/2020 10:39:57 68.42, 18.80 90.86 1.70 66
13 01/06/2020 11:29:32 -68.28,-173.71 89.29 01/06/2020 11:29:28 -68.26,-173.77 89.31 3.24 4
14 01/06/2020 12:20:11 67.91, -5.93 90.33 01/06/2020 12:18:59 67.92, -6.52 90.36 24.75 72
15 01/09/2020 02:55:43 68.38, 134.63 90.48 01/09/2020 02:56:26 68.40, 134.65 90.49 2.42 43

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/26/2019
SNOs_Map_NPP_TERRA_20191226.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/26/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service