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: 12/24/2018
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 -68.40,-161.32 88.36 12/26/2018 10:40:31 -68.38,-161.28 88.38 2.56 53
2 12/26/2018 11:30:21 68.23, 6.21 91.47 12/26/2018 11:29:59 68.21, 6.17 91.46 2.08 22
3 12/26/2018 12:20:50 -67.43, 174.50 89.34 12/26/2018 12:19:40 -67.49, 172.97 89.27 65.79 70
4 12/29/2018 02:06:09 69.47, 145.67 92.63 12/29/2018 02:07:15 69.33, 148.17 92.46 99.24 66
5 12/29/2018 02:56:32 -68.36, -45.50 88.52 12/29/2018 02:57:01 -68.33, -45.45 88.55 3.19 29
6 12/29/2018 03:47:15 68.19, 122.02 91.31 12/29/2018 03:46:29 68.17, 122.00 91.29 2.79 46
7 12/31/2018 18:22:47 68.58, -97.34 91.54 12/31/2018 18:23:59 68.51, -97.00 91.46 16.30 72
8 12/31/2018 19:13:25 -68.27, 70.39 88.79 12/31/2018 19:13:31 -68.29, 70.37 88.77 2.44 6
9 12/31/2018 20:04:09 68.16,-122.16 91.11 12/31/2018 20:02:58 68.18,-122.11 91.12 2.82 71
10 01/03/2019 10:39:37 68.34, 18.75 91.06 01/03/2019 10:40:31 68.34, 18.69 91.07 2.80 54
11 01/03/2019 11:30:19 -68.23,-173.80 89.05 01/03/2019 11:30:01 -68.24,-173.80 89.04 0.79 18
12 01/03/2019 12:20:49 67.37, -5.43 90.07 01/03/2019 12:19:40 67.45, -7.07 90.18 70.64 69
13 01/06/2019 02:56:30 68.31, 134.56 90.75 01/06/2019 02:57:00 68.29, 134.51 90.73 2.92 30
14 01/06/2019 03:47:12 -68.20, -57.99 89.36 01/06/2019 03:46:30 -68.19, -57.98 89.38 1.39 42

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/24/2018
SNOs_Map_NPP_TERRA_20181224.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service