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: 10/20/2018
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 10/20/2018 19:13:34 68.46,-109.75 78.90 10/20/2018 19:14:09 68.45,-109.69 78.89 2.73 35
2 10/20/2018 20:04:14 -68.28, 57.80 101.27 10/20/2018 20:03:40 -68.29, 57.75 101.27 2.31 34
3 10/23/2018 10:39:52 -68.99,-161.99 99.65 10/23/2018 10:41:03 -68.89,-160.91 99.73 44.69 71
4 10/23/2018 11:30:27 68.38, 6.13 79.76 10/23/2018 11:30:37 68.38, 6.11 79.77 1.19 10
5 10/23/2018 12:21:08 -68.25, 173.62 100.36 10/23/2018 12:20:07 -68.28, 173.62 100.33 3.30 61
6 10/26/2018 02:56:37 -68.48, -45.54 99.23 10/26/2018 02:57:37 -68.48, -45.53 99.22 0.73 60
7 10/26/2018 03:47:21 68.34, 121.94 80.66 10/26/2018 03:47:04 68.36, 121.97 80.67 2.27 17
8 10/26/2018 04:37:53 -67.73, -69.97 99.94 10/26/2018 04:36:42 -67.81, -71.04 99.88 45.93 71
9 10/28/2018 19:13:30 -68.45, 70.27 98.36 10/28/2018 19:14:03 -68.46, 70.33 98.34 2.83 33
10 10/28/2018 20:04:13 68.26,-122.19 81.48 10/28/2018 20:03:31 68.28,-122.24 81.49 3.00 42
11 10/31/2018 10:39:46 68.71, 18.37 82.78 10/31/2018 10:40:58 68.64, 18.80 82.71 19.46 72
12 10/31/2018 11:30:23 -68.36,-173.86 97.56 10/31/2018 11:30:31 -68.38,-173.89 97.55 1.90 8
13 10/31/2018 12:21:07 68.24, -6.39 82.33 10/31/2018 12:19:58 68.25, -6.40 82.34 1.20 69
14 11/03/2018 02:56:36 68.48, 134.45 83.40 11/03/2018 02:57:27 68.49, 134.50 83.41 2.55 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/20/2018
SNOs_Map_NPP_TERRA_20181020.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/20/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service