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: 12/1/2014
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 12/01/2014 21:09:30 69.29,-137.80 91.09 12/01/2014 21:10:38 69.28,-137.80 91.07 1.79 68
2 12/01/2014 22:00:11 -69.16, 29.70 89.05 12/01/2014 22:00:08 -69.16, 29.68 89.05 1.08 3
3 12/01/2014 22:50:51 68.82,-162.53 90.63 12/01/2014 22:49:39 68.84,-163.09 90.63 22.53 72
4 12/04/2014 13:26:22 69.27, -22.00 91.43 12/04/2014 13:27:07 69.27, -21.94 91.43 2.32 45
5 12/04/2014 14:17:03 -69.13, 145.51 88.70 12/04/2014 14:16:37 -69.15, 145.55 88.68 3.08 26
6 12/07/2014 04:52:47 -70.26, -75.01 87.26 12/07/2014 04:53:53 -70.20, -72.42 87.30 97.51 66
7 12/07/2014 05:43:13 69.19, 93.87 91.69 12/07/2014 05:43:36 69.21, 93.87 91.70 1.68 23
8 12/07/2014 06:33:55 -69.11, -98.69 88.40 12/07/2014 06:33:06 -69.10, -98.64 88.41 2.40 49
9 12/09/2014 21:09:24 -69.46, 41.96 87.78 12/09/2014 21:10:35 -69.38, 42.34 87.86 17.27 71
10 12/09/2014 22:00:05 69.18,-150.35 91.95 12/09/2014 22:00:04 69.16,-150.30 91.93 2.88 1
11 12/09/2014 22:50:46 -69.04, 17.17 88.19 12/09/2014 22:49:34 -69.05, 17.19 88.18 1.60 72
12 12/12/2014 13:26:11 -69.24, 158.03 87.78 12/12/2014 13:27:03 -69.24, 158.05 87.78 0.74 52
13 12/12/2014 14:16:55 69.13, -34.50 92.12 12/12/2014 14:16:30 69.13, -34.45 92.11 1.96 25
14 12/12/2014 15:07:22 -68.24, 134.00 88.77 12/12/2014 15:06:14 -68.24, 132.08 88.78 79.02 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/1/2014
SNOs_Map_NPP_TERRA_20141201.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/01/2014 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service