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: 11/22/2018
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 11/24/2018 10:39:41 -68.38,-161.25 91.15 11/24/2018 10:40:41 -68.40,-161.32 91.13 3.57 60
2 11/24/2018 11:30:26 68.30, 6.15 88.78 11/24/2018 11:30:08 68.29, 6.19 88.77 1.94 18
3 11/24/2018 12:20:57 -67.63, 174.31 91.87 11/24/2018 12:19:47 -67.67, 173.11 91.85 50.97 70
4 11/27/2018 02:56:36 -68.36, -45.47 90.65 11/27/2018 02:57:08 -68.35, -45.49 90.67 2.21 32
5 11/27/2018 03:47:20 68.24, 122.00 89.23 11/27/2018 03:46:35 68.24, 122.02 89.23 0.92 45
6 11/29/2018 18:22:52 68.60, -97.33 90.05 11/29/2018 18:24:02 68.57, -96.96 90.02 15.57 70
7 11/29/2018 19:13:30 -68.30, 70.38 90.25 11/29/2018 19:13:35 -68.29, 70.34 90.26 2.12 5
8 11/29/2018 20:04:14 68.18,-122.16 89.64 11/29/2018 20:03:02 68.18,-122.15 89.63 0.16 72
9 12/02/2018 10:39:43 68.38, 18.72 90.25 12/02/2018 10:40:31 68.39, 18.72 90.26 0.83 48
10 12/02/2018 11:30:25 -68.29,-173.84 89.84 12/02/2018 11:30:01 -68.28,-173.78 89.85 2.93 24
11 12/02/2018 12:20:51 67.20, -5.20 89.09 12/02/2018 12:19:44 67.27, -7.29 89.13 90.54 67
12 12/05/2018 02:06:09 -69.35, -34.13 88.43 12/05/2018 02:07:16 -69.21, -32.00 88.55 85.16 67
13 12/05/2018 02:56:36 68.33, 134.56 90.56 12/05/2018 02:56:57 68.32, 134.53 90.55 1.52 21
14 12/05/2018 03:47:18 -68.23, -58.00 89.53 12/05/2018 03:46:27 -68.22, -57.96 89.55 2.45 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/22/2018
SNOs_Map_NPP_TERRA_20181122.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/22/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service