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: 12/19/2018
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 12/21/2018 02:56:34 68.30, 134.58 91.62 12/21/2018 02:57:00 68.31, 134.53 91.63 2.91 26
2 12/21/2018 03:47:16 -68.21, -57.99 88.48 12/21/2018 03:46:30 -68.21, -57.97 88.48 0.72 46
3 12/23/2018 18:22:48 -68.64, 82.59 88.05 12/23/2018 18:23:59 -68.56, 83.06 88.13 20.81 71
4 12/23/2018 19:13:27 68.26,-109.60 91.57 12/23/2018 19:13:29 68.28,-109.63 91.59 3.03 2
5 12/23/2018 20:04:09 -68.16, 57.84 88.53 12/23/2018 20:02:59 -68.18, 57.88 88.52 2.30 70
6 12/26/2018 10:39:38 -68.38,-161.30 88.37 12/26/2018 10:40:32 -68.37,-161.30 88.40 2.06 54
7 12/26/2018 11:30:21 68.22, 6.22 91.46 12/26/2018 11:29:59 68.25, 6.21 91.49 3.23 22
8 12/26/2018 12:20:50 -67.42, 174.52 89.35 12/26/2018 12:19:41 -67.48, 172.95 89.28 67.22 69
9 12/29/2018 02:56:32 -68.34, -45.48 88.53 12/29/2018 02:57:02 -68.33, -45.46 88.55 1.57 30
10 12/29/2018 03:47:15 68.18, 122.03 91.31 12/29/2018 03:46:29 68.21, 122.05 91.34 3.37 46
11 12/31/2018 18:22:48 68.63, -97.40 91.59 12/31/2018 18:23:59 68.56, -96.93 91.51 20.25 71
12 12/31/2018 19:13:26 -68.31, 70.34 88.74 12/31/2018 19:13:32 -68.30, 70.38 88.75 2.04 6
13 12/31/2018 20:04:09 68.15,-122.15 91.10 12/31/2018 20:03:00 68.12,-122.18 91.07 3.34 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/19/2018
SNOs_Map_NPP_TERRA_20181219.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/19/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service