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: 12/25/2018
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 12/26/2018 10:39:38 -68.36,-161.27 88.40 12/26/2018 10:40:32 -68.36,-161.30 88.40 1.34 54
2 12/26/2018 11:30:22 68.24, 6.19 91.49 12/26/2018 11:29:59 68.25, 6.22 91.50 1.87 23
3 12/26/2018 12:20:50 -67.40, 174.55 89.37 12/26/2018 12:19:41 -67.47, 172.95 89.28 68.87 69
4 12/29/2018 02:56:31 -68.32, -45.45 88.56 12/29/2018 02:57:01 -68.32, -45.47 88.56 1.00 30
5 12/29/2018 03:47:15 68.21, 122.01 91.33 12/29/2018 03:46:28 68.21, 122.04 91.33 1.43 47
6 12/31/2018 18:22:47 68.60, -97.36 91.56 12/31/2018 18:23:58 68.54, -96.95 91.49 17.48 71
7 12/31/2018 19:13:25 -68.28, 70.37 88.77 12/31/2018 19:13:31 -68.27, 70.35 88.79 1.72 6
8 12/31/2018 20:04:09 68.17,-122.18 91.12 12/31/2018 20:02:58 68.16,-122.14 91.10 2.54 71
9 01/03/2019 10:39:37 68.35, 18.73 91.08 01/03/2019 10:40:30 68.38, 18.72 91.10 2.77 53
10 01/03/2019 11:30:19 -68.25,-173.82 89.03 01/03/2019 11:30:00 -68.27,-173.77 89.01 3.33 19
11 01/03/2019 12:20:49 67.38, -5.44 90.09 01/03/2019 12:19:40 67.43, -7.10 90.16 70.79 69
12 01/06/2019 02:56:31 68.32, 134.54 90.77 01/06/2019 02:57:00 68.32, 134.53 90.76 0.77 29
13 01/06/2019 03:47:13 -68.22, -58.01 89.35 01/06/2019 03:46:30 -68.22, -57.95 89.35 2.17 43

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/25/2018
SNOs_Map_NPP_TERRA_20181225.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/25/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service