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: 10/24/2018
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 10/26/2018 02:56:37 -68.50, -45.56 99.21 10/26/2018 02:57:37 -68.49, -45.51 99.21 2.24 60
2 10/26/2018 03:47:20 68.30, 121.99 80.62 10/26/2018 03:47:05 68.32, 121.93 80.63 3.11 15
3 10/26/2018 04:37:53 -67.75, -69.99 99.92 10/26/2018 04:36:42 -67.83, -71.02 99.87 43.88 71
4 10/28/2018 19:13:30 -68.41, 70.32 98.39 10/28/2018 19:14:06 -68.40, 70.26 98.40 2.54 36
5 10/28/2018 20:04:14 68.27,-122.20 81.49 10/28/2018 20:03:33 68.28,-122.24 81.49 1.53 41
6 10/31/2018 10:39:49 68.83, 18.21 82.90 10/31/2018 10:41:00 68.69, 18.87 82.77 30.86 71
7 10/31/2018 11:30:24 -68.38,-173.88 97.54 10/31/2018 11:30:34 -68.37,-173.89 97.55 0.95 10
8 10/31/2018 12:21:07 68.25, -6.40 82.34 10/31/2018 12:20:00 68.25, -6.39 82.34 0.29 67
9 11/03/2018 02:56:35 68.43, 134.51 83.35 11/03/2018 02:57:31 68.45, 134.45 83.37 3.00 56
10 11/03/2018 03:47:17 -68.35, -58.07 96.72 11/03/2018 03:47:01 -68.36, -58.03 96.72 1.91 16
11 11/03/2018 04:37:48 67.52, 110.27 82.49 11/03/2018 04:36:39 67.61, 108.75 82.54 65.19 69
12 11/05/2018 19:13:29 68.41,-109.70 84.16 11/05/2018 19:14:00 68.39,-109.74 84.13 3.15 31
13 11/05/2018 20:04:10 -68.27, 57.80 95.97 11/05/2018 20:03:30 -68.30, 57.78 95.96 2.65 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/24/2018
SNOs_Map_NPP_TERRA_20181025.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service