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: 12/25/2017
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 12/26/2017 02:56:26 -68.35, -45.46 88.41 12/26/2017 02:56:57 -68.36, -45.41 88.40 2.56 31
2 12/26/2017 03:47:09 68.17, 122.07 91.42 12/26/2017 03:46:25 68.19, 122.04 91.44 2.30 44
3 12/28/2017 18:22:43 68.72, -97.49 91.86 12/28/2017 18:23:54 68.61, -96.85 91.74 28.48 71
4 12/28/2017 19:13:18 -68.30, 70.37 88.57 12/28/2017 19:13:27 -68.27, 70.37 88.60 2.91 9
5 12/28/2017 20:04:02 68.19,-122.17 91.31 12/28/2017 20:02:54 68.16,-122.11 91.29 3.50 68
6 12/31/2017 10:39:29 68.35, 18.76 91.32 12/31/2017 10:40:27 68.35, 18.71 91.30 2.19 58
7 12/31/2017 11:30:11 -68.26,-173.80 88.79 12/31/2017 11:29:57 -68.24,-173.79 88.81 2.14 14
8 12/31/2017 12:20:44 67.55, -5.62 90.50 12/31/2017 12:19:34 67.57, -6.92 90.53 55.44 70
9 01/03/2018 02:56:22 68.32, 134.58 91.05 01/03/2018 02:56:57 68.30, 134.54 91.03 2.42 35
10 01/03/2018 03:47:04 -68.22, -57.98 89.05 01/03/2018 03:46:27 -68.20, -57.95 89.08 2.63 37
11 01/05/2018 18:22:42 -68.98, 82.16 88.55 01/05/2018 18:23:51 -68.87, 83.47 88.69 53.72 69
12 01/05/2018 19:13:15 68.29,-109.60 90.74 01/05/2018 19:13:26 68.31,-109.58 90.76 2.70 11
13 01/05/2018 20:03:56 -68.13, 57.91 89.43 01/05/2018 20:02:57 -68.15, 57.87 89.41 2.45 59

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/25/2017
SNOs_Map_NPP_TERRA_20171225.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/25/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service