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: 12/20/2015
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 12/21/2015 01:17:04 -68.64, -20.40 88.05 12/21/2015 01:18:12 -68.63, -20.43 88.06 1.51 68
2 12/21/2015 02:07:48 68.52, 147.06 91.84 12/21/2015 02:07:39 68.53, 147.09 91.84 1.51 9
3 12/21/2015 02:58:25 -68.16, -45.16 88.53 12/21/2015 02:57:12 -68.26, -45.61 88.43 21.02 73
4 12/23/2015 17:33:57 -68.62, 95.40 88.07 12/23/2015 17:34:52 -68.60, 95.37 88.09 1.89 55
5 12/23/2015 18:24:41 68.50, -97.14 91.81 12/23/2015 18:24:19 68.50, -97.11 91.82 1.40 22
6 12/23/2015 19:15:10 -67.71, 71.17 88.99 12/23/2015 19:14:01 -67.74, 69.62 88.96 65.55 69
7 12/26/2015 09:50:50 -68.60,-148.81 88.15 12/26/2015 09:51:38 -68.58,-148.85 88.17 2.76 48
8 12/26/2015 10:41:34 68.48, 18.66 91.74 12/26/2015 10:41:05 68.48, 18.68 91.73 0.89 29
9 12/26/2015 11:31:58 -67.42,-172.71 89.34 12/26/2015 11:30:51 -67.50,-174.84 89.25 91.22 67
10 12/29/2015 02:07:43 -68.59, -33.02 88.28 12/29/2015 02:08:29 -68.62, -33.02 88.25 3.18 46
11 12/29/2015 02:58:27 68.47, 134.44 91.61 12/29/2015 02:57:57 68.46, 134.44 91.60 0.80 30
12 12/29/2015 03:48:51 -67.41, -56.92 89.47 12/29/2015 03:47:44 -67.43, -59.13 89.43 94.36 67
13 12/31/2015 18:24:35 -68.58, 82.76 88.45 12/31/2015 18:25:26 -68.60, 82.72 88.44 2.81 51
14 12/31/2015 19:15:19 68.46,-109.78 91.43 12/31/2015 19:14:54 68.45,-109.82 91.42 2.40 25
15 12/31/2015 20:05:46 -67.57, 58.66 89.48 12/31/2015 20:04:38 -67.59, 56.80 89.44 78.90 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/20/2015
SNOs_Map_NPP_TERRA_20151220.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/20/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service