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: 3/28/2018
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 03/29/2018 11:29:44 68.31, 6.20 64.76 03/29/2018 11:30:17 68.30, 6.24 64.75 1.97 33
2 03/29/2018 12:20:25 -68.18, 173.69 115.40 03/29/2018 12:19:48 -68.15, 173.68 115.43 3.36 37
3 04/01/2018 02:56:05 -68.91, -46.13 115.66 04/01/2018 02:57:15 -68.83, -44.90 115.77 50.28 70
4 04/01/2018 03:46:39 68.25, 122.04 63.66 04/01/2018 03:46:50 68.27, 122.06 63.67 2.16 11
5 04/01/2018 04:37:20 -68.11, -70.46 116.51 04/01/2018 04:36:21 -68.11, -70.49 116.50 1.39 59
6 04/03/2018 19:12:51 -68.37, 70.36 117.25 04/03/2018 19:13:56 -68.35, 70.38 117.27 1.98 65
7 04/03/2018 20:03:34 68.20,-122.12 62.57 04/03/2018 20:03:24 68.18,-122.18 62.55 3.27 10
8 04/03/2018 20:54:10 -67.78, 45.72 117.88 04/03/2018 20:52:58 -67.86, 45.07 117.79 28.57 72
9 04/06/2018 11:29:45 -68.30,-173.80 118.33 04/06/2018 11:30:28 -68.31,-173.80 118.33 0.72 43
10 04/06/2018 12:20:29 68.19, -6.34 61.54 04/06/2018 12:19:55 68.19, -6.30 61.54 1.96 34
11 04/09/2018 02:56:12 69.10, 133.59 61.49 04/09/2018 02:57:20 68.98, 135.26 61.34 67.56 68
12 04/09/2018 03:46:40 -68.24, -57.95 119.40 04/09/2018 03:47:01 -68.27, -57.99 119.38 2.86 21
13 04/09/2018 04:37:24 68.14, 109.49 60.48 04/09/2018 04:36:28 68.15, 109.52 60.49 1.64 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/28/2018
SNOs_Map_NPP_TERRA_20180328.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/28/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service