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: 12/30/2014
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 12/31/2014 05:42:37 -69.18, -86.10 87.84 12/31/2014 05:43:37 -69.20, -86.16 87.82 3.45 60
2 12/31/2014 06:33:22 69.09, 81.32 92.08 12/31/2014 06:33:04 69.10, 81.36 92.08 1.43 18
3 12/31/2014 07:23:53 -68.44,-110.48 88.59 12/31/2014 07:22:43 -68.48,-111.79 88.54 53.30 70
4 01/02/2015 21:59:27 -69.15, 29.71 88.08 01/02/2015 22:00:05 -69.14, 29.65 88.10 2.60 38
5 01/02/2015 22:50:11 69.02,-162.79 91.78 01/02/2015 22:49:32 69.04,-162.83 91.80 2.74 39
6 01/05/2015 13:25:44 69.73, -22.66 92.25 01/05/2015 13:26:54 69.61, -21.47 92.11 48.04 70
7 01/05/2015 14:16:16 -69.13, 145.52 88.38 01/05/2015 14:16:31 -69.11, 145.50 88.40 2.34 15
8 01/05/2015 15:07:00 69.00, -46.99 91.49 01/05/2015 15:05:58 69.00, -46.99 91.50 0.35 62
9 01/08/2015 05:42:24 69.19, 93.90 91.37 01/08/2015 05:43:27 69.22, 93.90 91.39 3.01 63
10 01/08/2015 06:33:06 -69.12, -98.68 88.72 01/08/2015 06:32:57 -69.11, -98.61 88.73 3.17 9
11 01/08/2015 07:23:42 68.56, 69.37 90.72 01/08/2015 07:22:31 68.60, 68.40 90.78 39.75 71
12 01/10/2015 21:59:14 69.18,-150.32 90.99 01/10/2015 21:59:53 69.18,-150.25 90.98 2.61 39
13 01/10/2015 22:49:55 -69.06, 17.18 89.16 01/10/2015 22:49:23 -69.07, 17.24 89.14 3.06 32

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/30/2014
SNOs_Map_NPP_TERRA_20141230.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/30/2014 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service